A major corporation noted that last year its employees averaged - = 5.8 (o = 2.15) absences during the winter season (December to February). In an attempt to reduce absences, the company offered free flu shots to all employees this year. For a sample of 30 employees who took the shots the number of absences were: 3143245354 4500674351 2435342112 Run a z test to determine if the data indicate that the flu shot reduced the number of absences, and write a brief report covering the following points:
A major corporation noted that last year its employees averaged - = 5.8 (o = 2.15) absences during the winter season (December to February). In an attempt to reduce absences, the company offered free flu shots to all employees this year. For a sample of 30 employees who took the shots the number of absences were: 3143245354 4500674351 2435342112 Run a z test to determine if the data indicate that the flu shot reduced the number of absences, and write a brief report covering the following points:
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Please answer 7-11
Transcribed Image Text:7. Calculate and evaluate the effect size.
8. What error may you be making and what is its
probability?
9. Explain the 3 ways that you can arrive at the
decision you arrived.
10. Create a graph that illustrates the
distribution of your data.
11. Would you recommend to the company that
they offer the flu shot again? Why? Explain your
answer clearly and include in your reason the
result of the z test and of Cohen's d.
Transcribed Image Text:A major corporation noted that last year its
employees averaged - = 5.8 (o = 2.15) absences
during the winter season (December to
February).
In an attempt to reduce absences, the company
offered free flu shots to all employees this year.
For a sample of 30 employees who took the
shots the number of absences were:
314324535 4 4500674351
2435342112
Run a z test to determine if the data indicate that
the flu shot reduced the number of absences,
and write a brief report covering the following
points:
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