How many tissues should the Kimberly Clark Corporation package of Kleenex contain? Researchers determined that 60 tissues is the mean number of tissues used during a cold. Suppose a random sample of 100 Kleenex users yielded the following data on the number of tissues used during a cold:  = 52, S = 22. Suppose the test statistic does fall in the rejection region at α = 0.1. Which of the following conclusions is correct?   Question 23 options:   1)  At α = 0.1, there is sufficient evidence to conclude that the mean number of tissues used during a cold is not 60 tissues.   2)  At α = 0.1, there is not sufficient evidence to conclude that the mean number of tissues used during a cold is 60 less than tissues.   3)  At α = 0.1, there is insufficient evidence to conclude that the mean number of tissues used during a cold is 60 tissues.   4)  At α = 0.1, there is sufficient evidence to conclude that the mean number of tissues used during a cold is 60 tissues.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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How many tissues should the Kimberly Clark Corporation package of Kleenex contain? Researchers determined that 60 tissues is the mean number of tissues used during a cold. Suppose a random sample of 100 Kleenex users yielded the following data on the number of tissues used during a cold:  = 52,
= 22. Suppose the test statistic does fall in the rejection region at α = 0.1. Which of the following conclusions is correct?
 

Question 23 options:

 

1) 

At α = 0.1, there is sufficient evidence to conclude that the mean number of tissues used during a cold is not 60 tissues.

 

2) 

At α = 0.1, there is not sufficient evidence to conclude that the mean number of tissues used during a cold is 60 less than tissues.

 

3) 

At α = 0.1, there is insufficient evidence to conclude that the mean number of tissues used during a cold is 60 tissues.

 

4) 

At α = 0.1, there is sufficient evidence to conclude that the mean number of tissues used during a cold is 60 tissues.

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