What test static is appropriate to use in the given problem below? “A random sample of 29 medical doctors showed that they work an average of 55 hours per week with a standard deviation of 7.5 hours per week. If the average is 48 hours per week, is this given evidence significantly greater than the rest of the medical doctors?”

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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What test static is appropriate to use in the given problem below? “A random sample of 29 medical doctors showed that they work an average of 55 hours per week with a standard deviation of 7.5 hours per week. If the average is 48 hours per week, is this given evidence significantly greater than the rest of the medical doctors?”
 
 
a. t-test
b. z-test
c. variance
d. two-tailed test
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