Question: 2. A continuous random variable X has the probability density function: ac / 2 for 0 3. Thirty people were asked about the number of

3. Thirty people were asked about the number of hours they exercise

in a week and their answers were recorded and listed below. 2.0

6.0 7.5 8.5 10.5 13.0 4.0 6.5 7.5 8.5 10.5 14.0 4.5

2. A continuous random variable X has the probability density function: ac / 2 for 0

3. Thirty people were asked about the number of hours they exercise in a week and their answers were recorded and listed below. 2.0 6.0 7.5 8.5 10.5 13.0 4.0 6.5 7.5 8.5 10.5 14.0 4.5 6.5 8.0 9.0 11.0 17.0 5.0 7.0 8.0 9.0 11.5 18.0 5.5 7.0 8.5 10.0 12.0 21.0 (a) Carefully construct, draw and label a histogram of these data. (The histogram can be drawn on ordinary paper - no graph paper needed. You should draw by hand; do not use a computer.) (6 marks) (b) Find the mean (given that the sum of the data is 277) and the median. (2 marks) (c) Comment on the data based on the shape of the histogram and the measures you have calculated. (2 marks) (d) Briefly discuss whether a histogram is the most suitable type of diagram to visualise this dataset. (2 marks)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

\fPlease remember to start each question on a new page. 2. (6 points) Below are two improper integrals. If the integral is divergent, Show that it is divergent. If it is not divergent, evaluate it....

Help please of the binomial distribution. EXERCISE 3 Answer the following questions: a. Let X1, X2, X: be i.i.d. random variables N(0, 1). Show that Y, = X, + 8X, and Yz = X2 + 6X, have bivariate...

Please remember to start each question on a new page. 2. (6 points) Below are two improper integrals. If the integral is divergent, Show that it is divergent. If it is not divergent, evaluate it. (a)...

solve the question If an alternative has a salvage value, how is it han- dled in the calculation of a B/C ratio relative to benefits, disbenefits, costs, or savings? The cost of grading and spreading...

a) A continuous random variable has the following probability density function. f(x) = (1 /12)(2x + 1) , 0

1: A random variable X has the probability density function shown below. Find the expected value of the random variable Value of X Probability -3 0.1 2 0.2 5 0.4 7 0.3 Question 2: Two coins are...

solve the question A sports mortgage is the brainchild of Stadium Cap- ital Financing Group, a company headquartered in Chicago, Illinois. It is an innovative way to finance cash-strapped sports...

...8052101 ( ) 29. The average monthly production of a factory for the first 8 months is 2.500 units, and for the nest 4 months, the monthly production was 1.300 units. The average monthly production...

Solve the question The total number of hours, measured in units of 100 hours, that a family runs a vacuum cleaner over a period of one year is a continuous random variable X that has the density...

ElAlMSIEIAZlT STATISTICS 2 SEMESTER 2 2021.002}! INDIVIDUAL ASSIGNMENT (10%) GROUP 1: Dr. Hannuun Eadiela binti Yaaeoh GROUP 2: Assoc. Prof. Dr Lao Wee Yeap SUBMISSION DATE: 12 APRIL 2022 {11.59pm}...

Which of the following would most likely cause an analyst to rely on the "quick" ratio when analyzing the company's short-term solvency? Concerns about the collectability of the company's accounts...

Reconsider the measurements of oxygen composition in 12 dinosaur bones from Exercise 5.23. Using a multiple comparisons procedure in a statistical computer package, find 95% confidence intervals for...

The Retirement Planner is one of the most beneficial features of Personal Capital.

1. Buying groceries at the supermarket. 2. Selling a house 3. Getting married out of community of property. 4. Starting a new cellphone contract. 5. Arranging monthly instalments to pay for the car...

2. In this chapter, the reader should reflect on the following concepts: Differences, relationships, processes, patterns, contexts, symmetrical rela-tionships, complementary relationships, linear...

1. Discuss the following statement: Everything is seen, heard and said by a subject, and accordingly is subjective.

1. This chapter is designed to give the reader an understanding of how the way a problem is framed is crucial for how it is perceived, both by the recipient of a message and the person who wants to...