The computed test statistic for the appropriate test is
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Question
A mathematics professor wants to determine whether there is a difference in the final averages between the past two semesters (semester 1 and semester 2) of his business statistics classes. For a random sample of 16 students from semester 1, the mean of the final averages was 75 with a standard deviation of 4. For a random sample of nine students from semester 2, the mean was 73 with a standard deviation of 6.
Choose the correct answer
Transcribed Image Text:The computed test statistic for the appropriate test is
O
O t = 0.8944
O t = 1.0018
O z = 0.5009
O Other:
z = 1.9964
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