Let µj and µz represent the population means and let "= 2 A test will be made of the hypotheses Ho "a=0 versus 41 "a>0. Can you reject Ho at the a= 0.05 level of significance?

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Let µj and µz represent the population means and let "= 2 A test will be made of the hypotheses Ho "a=0
versus 41 "a>0. Can you reject Ho at the a= 0.05 level of significance?
Transcribed Image Text:Let µj and µz represent the population means and let "= 2 A test will be made of the hypotheses Ho "a=0 versus 41 "a>0. Can you reject Ho at the a= 0.05 level of significance?
Expert Solution
Step 1

From provided information,

The claim that, mean of sample 1 is larger than mean of sample 2.

The hypotheses can be constructed as,

H0d=0

H1: µd>0

Step 2:

Provided sample is,

Sample 1

22

22

20

25

17

Sample 2

17

19

14

15

23

 

For matched paired sample, value of test statistic can be obtained as;

Statistics homework question answer, step 1, image 1

Step 2

Here, di is difference between two samples for each pair.

di

5

3

6

10

-6

Statistics homework question answer, step 2, image 1

Substituting values in test statistic,

Statistics homework question answer, step 2, image 2

steps

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