Textbook ExpertVerified Tutor
29 Nov 2021
Given information
Use the following information to answer the next five exercises. A study was conducted to test the effectiveness of a software patch in reducing system failures over a six-month period. Results for randomly selected installations are shown in Table . The “before” value is matched to an “after” value, and the differences are calculated. The differences have a normal distribution. Test at the significance level.
Step-by-step explanation
Step 1.
To find test static press STAT and
Twice to select TESTS.
Press STAT followed by to enter stat list editor,
Enter the list for before and after values and in the third list, go-to name list and enter and then press ENTER after each value. The data is given below,
Once all the sample entries are made press ENTER to obtain the results as,
Therefore, the is .
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