Research Methods For Business A Skill Building Approach 5th Edition Uma Sekaran, Roger Bougie - Solutions

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3.7 The Mashinar Garage provides an exhaust system replacement service for the Bistri car. The revenue from this operation in thousands of pounds, y, depends on the price of the service in£, x, in line with the equation:(a) How much should they charge for this service to maximize their revenue
3.6 Varota United Football Club want to set a price for a season ticket that will maximize their revenue from season tickets.Past experience suggests that total season ticket revenue in £, y, is related to the price in £, x, in keeping with the equation:y3x2 3000x (a) What season ticket price
3.5* The 2Flee Footwear Company intends to launch a new brand of designer shoes. They anticipate that revenue from the sale of these shoes will vary with the selling price in the following way:y4x2 960x where y is revenue and x is the selling price (both in £).(a) At what price will revenue be
3.4 Cartina Technologies make digital cameras. The cost of manufacture per unit at their factory in £, y, is related to output per hour, x, in line with the equation:y 0.8x2 16x 150(a) How many cameras should be made per hour if they are to minimize the cost per camera?(b) Determine the
3.3 Glazzy Opticon performs laser eye surgery in a purpose-built facility. The cost per operation in £, y, depends on the number of operations conducted per week, x, as follows:(a) How many operations should be undertaken per week to minimize the cost per operation?(b) Confirm by means of the
3.2* Ackno Fenestrations manufacture garden conservatories to order. Their production costs per unit vary with the number of conservatories they produce per month according to the equation:y 2x2 280x 16000 where y is the cost per conservatory in £, and x is the monthly output.(a) Find the
3.1* Differentiate each of the equations listed below on the left and match your answers to the derivatives listed on the right. (i) y = 3x dy (a) = dx T (ii) y = 4x (b) dy = 2x dx (iii) y = 2x dy (c) = 8x dx dy (iv) (d) = 2x+4 x dx (e) dy-10 dx = (v) y= (vi) y = 3x3 + 2 (f) dy = 3 dx dy (vii) y =
2.21 Stroika Concrete makes bags of easy-use concrete for the DIY market. The company mixes their concrete using two ingredients,‘Great Grit’ and ‘A1 Aggregate’. Great Grit costs £1 per kilogram and consists of 20% fine sand, 40% coarse sand and 40% gravel. A1 Aggregate costs £0.75 per
2.20* Kolbasnik the pig farmer needs to add 36 kg of protein and 10 kg of vitamin to the pig feed. There are two possible additives.The cost and protein and vitamin content of each are:Additive Cost per kg (£) Protein content Vitamin content Seelni-swine 20 60% 40%Vita-sosiska 15 90% 10%How much
2.19 Wooffer & Tweeter make speakers for the specialist audio market.Following the death of the founder of their rival, they have acquired the assets of his company, the Croaker Can & Cab Co.These assets consist of raw materials used to make the two types of speaker produced by Croaker, the Cosmic
2.18* The Chic Sheet Company have to plan production for the next week. The firm produces two types of sheet, standard and luxury, in packs that are sold to retailers for £80 and £145 respectively.The costs of materials are £25 per pack of standard sheets and £45 per pack of luxury sheets.
2.17 Tapachki & Sons produce handmade clogs in Lancashire. They produce two types of clog, the Nelson and the Oldham. The profits per pair are £10 and £12 respectively. The company employs 2 leather-cutters, 4 sole-makers and 3 stitchers. Each works a 40-hour week. The amount of labour time in
2.16 The Reklama Advertising Agency has a client who wants to buy TV advertisement slots. The client wants to reach the largest possible target audience within their budget of £3 m. Reklama have been offered peak and off-peak slots by one network.These slots reach 14 million and 4 million people
2.15 Roo Satellite Systems manufacture two types of broadcast receiving system, the ‘Soap Dish’ and the ‘Houston’. The production process for each includes wiring, assembly and inspection, the times in hours required in each section are:Soap Dish Houston Wiring 3 3 Assembly 1.2 3 Inspection
2.14 The Ooze Haircraft Corporation make two brands of hair treatment:Volossy, which is produced under licence, and its own products Sedina. The company is in dispute with its supplier of colourant and solidifier as a result of which the supplier is no longer taking their orders. An alternative
2.13 Domar Properties plc have a site covering 20,000m2 on which they intend to build a mixed estate of 2- and 4-bedroom houses. The 2-bedroom houses will each occupy a plot of 60m2 and will be sold at a profit of £15,000. On average each will house 2 people owning 1.2 cars. The 4-bedroom houses
2.12 Gutbucket Gastronomics is a contract caterer that produces cook–chill meals. They make a standard meal selling at £1.60 per portion and an executive meal selling at £2.40 per portion.The products are made up and transported in trays. Each tray can accommodate either 10 executive portions
2.11 A company specializing in lubrication products for vintage motors produce two blended oils, Smazka and Neftianikov.They make a profit of £5 per litre of Smazka and £4 per litre of Neftianikov. A litre of Smazka requires 0.4 litres of heavy oil and 0.6 litres of light oil. A litre of
2.10* Pianni Beverages produce two ready-mixed cocktail drinks; the Zombie and the Skyjack. Each is a mixture of vodka, vermouth and ginger. It takes 3 litres of vodka, 6 litres of vermouth and 1 litre of ginger to make 10 litres of Zombie, and 5 litres of vodka, 3 litres of vermouth and 2 litres
2.9 Volna Appliances want to take over a competitor that makes microwave ovens. They have bid £48 m for the company and expect their offer to be accepted. The microwave ovens are sold for £85 and variable costs amount to £25 per unit.(a) Work out the break-even point for microwave production.(b)
2.8 Holly buys a hot dog stall for £360. In addition she has to pay a fixed charge of £200 to the local council to secure her pitch.She plans to sell her hot dogs at £1 each and the cost of preparing each one is £0.60.(a) How many hot dogs will she need to sell to break even?(b) She finds a
2.7 A plant hire company purchases a mobile crane for £120,000.It plans to charge £190 a day for hiring out the crane. For each day on which it is hired out the company expects to incur variable costs of £40.(a) Work out how many days the company needs to hire out the crane in order to break
2.6 Samocat Automotive want to move the production of their motor scooters to a purpose-built new plant that will cost £24m to construct. The scooters sell for £1850 and variable costs of production amount to £1100 per scooter.(a) What is the break-even point for scooter production at the new
2.5* The Pasuda Porcelain Company is about to launch a new luxury tableware range. The selling price for a set will be £90. To make the range the company has invested £319,000 in new equipment. Variable production costs will be £35 per set.(a) What number of sets must they sell to break even?(b)
2.4 Following a crash, the owner of the Skorrost Courier Service has to purchase a new van. The make and model have already been decided, but there is a choice between petrol and diesel versions. The petrol version costs £10,000 to buy and will incur fuel costs of £0.12 per mile. The diesel
2.3 Solve each of the following pairs of simultaneous equations by elimination: (a) 3x + 2y = 7 x+y=3 (b) 5x + 3y = 19 2xy= 1 (c) 2x + 7y = 3 4x + 3y = 17 (d) 6x+6y= 27 4x+5y= 22 (e) 3x-2y= 8 x + 4y = 26 (f) 12x+4y=2 2x - y = 0
2.2* A domestic consumer is offered two alternative methods of paying for her annual water bill. The first option is to make 8 payments of £32 at certain points over the forthcoming year. The second is to have her water metered and pay £0.08 for each cubic metre of water used plus an annual
2.1* The current system for allocating budgets for the local depots of a national office-cleaning company gives each depot a fixed sum of £35,000 plus an extra £500 for each corporate client in the area the depot covers.(a) Express the budget allocation model as an equation and portray it
1.21 A UK courier delivery service uses vans that will soon need to be replaced and the fleet manager has obtained details of a new van that is currently only available in continental Europe.The fuel economy is given as 8.2 litres of fuel per 100 kilometres travelled. What is the fuel economy of
1.20 A consumer magazine launches an investigation into the efficiency of vehicle breakdown recovery services. They have collected the following data and intend to publish it, identifying those services who take more than an hour to reach more than 5% of their call-outs as ‘poor’ and those who
1.19 Ray von Mann wants to throw a party. He would like to mix 5 litres of punch using a recipe that requires 2 parts gin to 3 parts red wine to 1 part lemon cordial to 1 part tomato juice to 3 parts lemonade. In his cupboard there is a half-full 75 cl bottle of gin, a full litre bottle of red
1.18 The monthly interest rate on a credit card is 1.45% charged on any amount unpaid after the payment deadline. One customer has no outstanding balance at the beginning of July. During the month he spends £410 on his card and pays off £250 within the payment deadline. During August he spends
1.17 A visitor to a Central Asian republic is offered a new vehicle for 600,000 zoom, the national currency. She can buy zoom from a bank at the official exchange rate of 150 zoom per US dollar, but in the bazaar she could get 200 zoom to the dollar. If one dollar is worth 63 pence, what is the
1.16 Members of the sales team at a car dealership receive commission of 7% of the profits made on the cars they sell. If the profit margin on the cars sold is 30%, how much commission will be paid to a sales person who sells cars to the value of £94,000?
1.15 After promotion a single graduate has an annual salary of£21,000. He wants to check his monthly take-home pay. He finds out that:■ A single person is entitled to a tax allowance of £4615, which is deducted from total annual pay to give the taxable pay for the year.■ The tax rate applied
1.14 A Malaysian businessman visiting the UK wants to buy some gifts in a department store. He chooses a man’s suit costing£179.99, a lady’s coat costing £99.99, and a piece of jewellery costing £69.99. The store allows visitors from abroad to purchase goods ‘VAT-free’. If the rate of
1.13 An energy company charges households a quarterly fee of£9.20 for providing an electricity supply and 7.11 pence for every unit of electricity consumed. The billed amount is then subject to a 5% tax. If one domestic consumer uses 631 units in a quarter, how big will their total bill be,
1.12 A public sector organization has a pension scheme under which the amount of pension is determined by taking 1/80 of the final salary for each year of service. Find the pension that would be paid to:(a) an employee on a final salary of £28,600 who had 34 years’service(b) a senior manager on
1.11 The loyalty card scheme operated by a retail grocery chain offers customers one point for every £10 of purchases.Occasionally double or triple points are offered on some products.If a customer spent £3700 over a year, of which £290 worth earned double points and £130 worth earned triple
1.10* The price of a new Sabaka car purchased from a car supermarket is £12,500. Against this a customer is offered a trade-in of£1700 for her current vehicle. Later the customer visits a brand dealership where the same car is on sale at the full list price of£14,995. The salesperson is prepared
1.9 An insurance company claims department reports that 45% of the claims they dealt with over the last month related to motor policies, and 30% of those involved drivers under 25 years of age. The claims department dealt with 2400 claims last month, so how many were motor policy claims involving
1.8 A feature of a new office complex is a square piazza made of specially imported marble slabs that are one metre square.(a) According to the architect’s plan the piazza should be 35 metres wide and 35 metres long. How many slabs will be needed?(b) Supply difficulties mean that only 1100 slabs
1.7* A summary of payroll data for a retail store contains the following list:Number of Weekly wage Department operatives per operative(1) Goods Received 5 £230(2) Sales – Electricals 8 £310(3) Sales – Furniture 3 £300(4) Sales – Textiles 6 £280(5) Cleaning 4 £200 If x represents the
1.6* According to college regulations, to pass a module a student must get at least 40% of the credit for the module, and at least 35% in each assessed element. In one module the assessment consists of an essay worth 40% of the total credit for the module and an exam worth the remaining 60% of the
1.5* You are to fly from London to Tokyo. The plane is due to depart at 17.30 and you have to check in two hours before take off. You reckon that it will take an hour and a quarter to drive to the airport and a further 30 minutes to get from the car park to the check-in desk.(a) What time should
1.4 Annual world wine output recently was 6,875,396 thousand gallons, of which Italy produced 1,439,911 thousand gallons, the USA produced 543,408, and Australia produced 197,035.(a) Express the total production and the production of Italy, the USA, and Australia to (i) four significant figures
1.3* Match the operations on the left below to the answers on the right.(i) 40% of 200 (a) 120(ii) 2/3 * 3/5 (b) 2/15(iii) 120% of 100 (c) 5/3(iv) 5/4 3/4 (d) 8%(v) 1/5 1/4 (e) 80(vi) 1/3 1/5 (f) 9/20(vii) 20% of 40% (g) 2/5
1.2 Pair up the expressions listed below on the left to the alternative forms of them listed on the right.(i) 0.00000045 (a) 4.5 * 1010(ii) 45 (b) 4.5 * 107(iii) 450,000 (c) 4.5 * 101(iv) √45 (d) 4.5 * 101(v) 0.0045 (e) 4.5 * 100(vi) 45,000,000,000 (f) 4.5 * 101/2(vii) 4.5 (g) 4.5 * 103(viii)
1.1* Match the expressions listed below on the left to the answers listed to the right. Try it without a calculator first then use your calculator to check your solutions.(i) 4 3 8 * 2 5 (a) 14 (ii) 15/3 * 2 4 6 (b) 8 or 8 (iii) 3 * 8/6 1 5 (c) 1.5 or 1.5 (iv) (4 3 8) * 2 10
What aspects of a class research project would be stressed by you in the written report and in the oral presentation?
What are the similarities and differences between basic and applied research reports?
Describe the main steps in qualitative data analysis.
A tax consultant wonders whether he should be more selective about the class of clients he serves so as to maximize his income. He usually deals with four categories of clients: the very rich, rich, upper middle class, and middle class. He has records of each and every client served, the taxes paid
When we collect data on the effects of treatment in experimental designs, which statistical test is most appropriate to test the treatment effects?
A researcher wants to provide an overview of the gender of the respondents in his sample. The gender is measured like this: What is your gender? Male Female. What is the best way to provide an overview of the gender of the respondents?
There are three measures of central tendency: the mean, the median, and the mode. Measures of dispersion include the range, the standard deviation, and the variance (where the measure of central tendency is the mean), and the interquartile range (where the measure of central tendency is the
Overgeneralizations give rise to much confusion and other problems for researchers who try to replicate the findings. Explain what is meant by this.
Because there seems to be a trade-off between accuracy and confidence for any given sample size, accuracy should always be considered more important than precision. Explain with reasons why you do or do not agree.
“Use of a sample of 5000 is not necessarily better than one of 500.” How would you react to this statement?
The use of a convenience sample used in organizational research is correct because all members share the same organizational stimuli and go through almost the same kinds of experience in their organizational life. Comment.
a. Explain what precision and confidence are and how they influence sample size.b. Discuss what is meant by the statement: “There is a trade-off between precision and confidence under certain conditions.”
a. Explain why cluster sampling is a probability sampling design.b. What are the advantages and disadvantages of cluster sampling?c. Describe a situation where you would consider the use of cluster sampling.
Identify the relevant population for the following research foci, and suggest the appropriate sampling design to investigate the issues, explaining why they are appropriate. Wherever necessary, identify the sampling frame as well.a. A company wants to investigate the initial reactions of heavy
Design a study to examine the following situation.
Below is an adapted note from Business Week published some time ago. After reading it, apply what you have learned in this chapter, and design a study after sketching the theoretical framework.
“If a control group is a part of an experimental design, one need not worry about controlling other exogenous variables.” Discuss this statement
Explain the concept of “trade-off between internal validity and external validity.”
What is internal validity and what are the threats it stands exposed to?
Define the terms control and manipulation. Describe a possible lab experiment where you would need to control a variable. Include also a variable over which you would have no control but which could affect your experiment.
The fewer the biases in measurement and in data collection procedures, the more scientific the research. Comment on this statement.
How would you use the data from observational study to reach scientific conclusions?
How has the advancement in technology helped data gathering?
“One way to deal with discrepancies found in the data obtained from multiple sources is to average the figures and take the mean as the value of the variable.” What is your reaction to this?
“Every data collection method has its own built-in biases.Therefore, resorting to multimethods of data collection is only going to compound the biases.” How would you critique this statement?
How are multiple methods of data collection and from multiple sources related to the reliability and validity of the measures?
What are projective techniques and how can they be used profitably?
Explain the principles of wording, stating how these are important in questionnaire design, citing examples not in the book.
What is bias, and how can it be reduced during interviews?
As a manager, you have invited a research team to come in, study, and offer suggestions on how to improve the performance of your staff. What steps will you take to allay staff apprehensions even before the research team sets foot in your department?
Describe the different data sources, explaining their usefulness and disadvantages.
“A valid instrument is always reliable, but a reliable instrument may not always be valid.” Comment on this statement.
Whenever possible, it is advisable to use instruments that have already been developed and repeatedly used in published studies, rather than developing our own instruments for our studies. Do you agree? Discuss the reasons for your answer.
Construct a semantic differential scale to assess the properties of a particular brand of coffee or tea.
Explain why it does not make sense to assess the internal consistency of a formative scale.
Why is it important to establish the “goodness” of measures and how is this done?
Why is the ratio scale considered to be the most powerful of the four scales?
Is it useful to draw on existing measures to measure abstract and subjective constructs such as customer loyalty? Why (not)?
Operationalize the following:a. Customer loyaltyb. Price consciousnessc. Career success
What is meant by operational definition, when is it necessary, and why is it necessary?
Provide (relevant) measurable attributes for the following objects:a. a restaurantb. a businesspersonc. a consumerd. a care. a tennis racketf. a strategic business unit
To what extent would it frustrate you if people did not give you feedback on how you are progressing?
How often during the past three months have you checked with your subordinates that what you are doing is not getting in the way of their efficient performance?
How often have you tried to obtain feedback on your performance from your co-workers during the past three months?
During the past three months, how often have you sought feedback from your superiors on how well you are performing your job?
To what extent would you prefer to take on extremely difficult assignments rather than moderately challenging ones?
To what extent would you prefer a job that is difficult but challenging, to one that is easy and routine?
To what extent would you prefer to work by yourself rather than with others?
To what extent would you prefer to work with a friendly but incompetent colleague, rather than a difficult but competent one?
How annoyed do you get when you make mistakes?
How much do you concentrate on achieving your goals?

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Research Methods For Business A Skill Building Approach 5th Edition Uma Sekaran, Roger Bougie - Solutions

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