Example 2: A previous study shows that the average age of employed students in a city...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
Example 2: A previous study shows that the average age of employed students in a city is 19 years. A civic group made a recent survey on the age of employed students working in the same locality. A random sample of 20 respondents showed an average age of 20.4 years with a standard deviation of 2.14 years. Using a significance level of 0.05, has the average age of employed students gone higher? Solution: Step 1: Formulate the null and alternative hypotheses. Ho: 19 Ho: > 19 Step 2: Determine the level of significance. It is given that = 0.05. Example 2: A previous study shows that the average age of employed students in a city is 19 years. A civic group made a recent survey on the age of employed students working in the same locality. A random sample of 20 respondents showed an average age of 20.4 years with a standard deviation of 2.14 years. Using a significance level of 0.05, has the average age of employed students gone higher? Solution: Step 1: Formulate the null and alternative hypotheses. Ho: 19 Ho: > 19 Step 2: Determine the level of significance. It is given that = 0.05.
Expert Answer:
Posted Date:
Students also viewed these mathematics questions
-
The RRR Company has a target current ratio of 2.4. Presently, the current ratio is 3.3 based on current assets of $6,567,000. If RRR expands its inventory using short- term liabilities (maturities...
-
Depkline plc is a pharmaceutical company headquartered in the United Kingdom. Exhibit 7.26 presents financial statement ratios for Depkline for 2011, 2012, and 2013. Respond to each of the following...
-
1. Why does holder-in-due-course status not afford State Bank protection? 2. Does the phone call from State Bank to Chase about the check provide it with protection? 3. List the lessons you learn...
-
Answer as true or false the following four questions about question 7-4 and give reasons for each answer. a. A hypothesis test is more appropriate than an interval estimation. b. It is unnecessary to...
-
Willow Company produces lawn mowers. One of its plants produces two versions of mowers: a basic model and a deluxe model. The deluxe model has a sturdier frame, a higher horsepower engine, a wider...
-
Spicer Inc. showed the following alphabetized list of adjusted account balances at December 31, 2020: Accounts Payable Accounts Receivable Accumulated depreciation, Equipment Accumulated...
-
During the previous year of 30 June 2019, Sydney Ltd sold inventory to Melbourne Ltd for $10,000, recording a before-tax profit of $4,000. On 1 July 2019, 50% of this inventory was still on hand with...
-
importance of workalike balance for women as a leader in healthcare. 1. The purpose of the research; 2. Research question/s; 3. Findings and relevant data; 4. Any recommendations and; 5. The...
-
An ideal gas contained in a piston cylinder undergoes two processes. The first process is a polytropic process with n = -1 which begins with p_1 = 2 bar, V_1 = 4 m^3 and ends at V_2 = 2 m^3. The...
-
8. An American PUT option on the stock has a strike price of 53. The risk free rate is 3%. Each time step is 6 months. 72 D 60 B 50 48 A E 40 FL (d) What is the put option price at Node B? (e) What...
-
A 4.4810 3 kg train is stopped at a station. The train must go around a 181 m diameter corner right after it leaves the station. As the train leaves the station it provides a constant forward force...
-
Discuss what is currently happening at Cape union mart in terms of digital marketing strategy and what they should do to increase company revenue whilst maintaining service levels and building online...
-
How can a North American company operating abroad balance the different points of view of social responsibility and ethical conduct of our culture versus the foreign culture?
-
The maximum pressure that can be developed for a certain fluid power cylinder is 15.0 MPa. Compute the required diameter for the piston if the cylinder must exert a force of 30 kN.
Study smarter with the SolutionInn App