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QUESTION 1 For the employees who left the company before 3 years, what is an app

ID: 3055895 • Letter: Q

Question

QUESTION 1

For the employees who left the company before 3 years, what is an appropriate test of hypothesis to determine if the mean tenure of such employees equals 18 months in the population?

One sample t test

Paired samples t test

Independent samples t test

None of the above

QUESTION 2

Perforn an appropriate test of hypothesis in order to determine whether the average salary of a D&Y employee is $40,000. What is the observed value of the test statistic?

8.489

6.482

9.58

3.86

a)

One sample t test

b)

Paired samples t test

c)

Independent samples t test

d)

None of the above

Explanation / Answer

Please post 1 question per post ,as per forum rules. The second question anyways has incomplete information.

Q1. Answer is a). There is one sample involved in this test, and we have to test the mean tenure of such employees equals 18 months.
Please note that the sample is those employees who left the company before 3 years

options b) and c) essentially deal with more than 1 sample, so they aren't the correct answers

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