A newly hired human resource analyst proposes to senior management that the number of employee sick days could be reduced by converting to a flex-time work schedule.  Assume that historical records show that the population means for employee sick days is 5.28 days with a population standard deviation of 2.14 days.  Senior management agrees to a one-year pilot study involving fifty employees working a flex-time schedule.  After one-year, the analyst reports to management that the fifty employees in the study averaged 4.68 sick days during the year.  Does the flex-time work schedule reduce employee sick days?   What are the appropriate null and alternative hypotheses for this study?     Assuming that the H0 is true, what is the probability of the analyst arriving at these results?  (i.e., what is the p-value?)  Does the flex-time work schedule reduce employee sick days?                       Using a 0.05 level of significance, what is the necessary value of the test statistic to justify rejecting the H0 (and thus conclude the Ha)?

Question

A newly hired human resource analyst proposes to senior management that the number of employee sick days could be reduced by converting to a flex-time work schedule.  Assume that historical records show that the population means for employee sick days is 5.28 days with a population standard deviation of 2.14 days.  Senior management agrees to a one-year pilot study involving fifty employees working a flex-time schedule.  After one-year, the analyst reports to management that the fifty employees in the study averaged 4.68 sick days during the year.  Does the flex-time work schedule reduce employee sick days?

 

What are the appropriate null and alternative hypotheses for this study?

 

 

Assuming that the H0 is true, what is the probability of the analyst arriving at these results?  (i.e., what is the p-value?)  Does the flex-time work schedule reduce employee sick days?

 

 

 

 

 

 

 

 

 

 

 

Using a 0.05 level of significance, what is the necessary value of the test statistic to justify rejecting the H0 (and thus conclude the Ha)?

 

 

 

 

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Statistics

Hypothesis Testing

Related Statistics Q&A

Find answers to questions asked by students like you.

Q: For a data set obtained from a sample, n = 81 and x- = 50.25. It is known that σ = 4.1.

A: From the given information, Sample size = 81 Sample mean = 50.25 Population standard deviation = 4.1...

Q: Using traditional methods it takes 91 hours to receive an advanced flying license. A new training te...

A: Given that,

Q: Why Stochastic error term must be present in a regression equation?

A: Regression analysis: Regression analysis estimates the relationship among variables. That is, it est...

Q: The number of hours spent per week on household chores by all adults has a mean of 28.2 hours and a ...

A: Points on sampling distribution of the sample mean: If the true population distribution of a random...

Q: Hannah claims that people who live in southern states spend 9 hours more per week outside than do pe...

A: According to the provided information, Hannah claims that people who live in southern states spend 9...

Q: There are 48 students in an elementary statistics class. On the basis of years of experience, the in...

A: b. Obtain the probability that the instructor misses part of the sports report that starts at 11:10 ...

Q: The cost of a daily newspaper varies from city to city. However, the variation among prices remains ...

A: Click to see the answer

Q: Random samples of people from Maine, Texas, and Rhode Island have been given a scale that measures t...

A: ANOVA:   ANOVA technique is used for comparing more than three groups. It is used for observing the...

Q: An engineer has designed a valve that will regulate water pressure on an automobile engine. The valv...

A: Note: Hey there! Thank you for the question. As you have posted a question with several sub-parts, a...