A district sales manager wishes to determine whether there is a difference in mean daily sales volume between two stores in his district. He collects daily sales volume for the month of June to do the analysis. Assume that the population standard deviations are unknown and unequal. The hypothesis test is to be conducted using the 0.01 level of significance. Partial output of his results from Excel can be found in the table below: Store 1 Store 2 Sample size (n) 37 37 Sample mean daily sales volume (in $1,000) 22 26 Sample standard deviation (in $1,000) 5.2 6.1 Degrees of freedom 72 What is the value of the test statistic? Multiple Choice −3.035 +1.658 ± 2.969 −2.697
A district sales manager wishes to determine whether there is a difference in mean daily sales volume between two stores in his district. He collects daily sales volume for the month of June to do the analysis. Assume that the population standard deviations are unknown and unequal. The hypothesis test is to be conducted using the 0.01 level of significance. Partial output of his results from Excel can be found in the table below: Store 1 Store 2 Sample size (n) 37 37 Sample mean daily sales volume (in $1,000) 22 26 Sample standard deviation (in $1,000) 5.2 6.1 Degrees of freedom 72 What is the value of the test statistic? Multiple Choice −3.035 +1.658 ± 2.969 −2.697
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
Related questions
Question
A district sales manager wishes to determine whether there is a difference in
Store 1 | Store 2 | |
---|---|---|
37 | 37 | |
Sample mean daily sales volume (in $1,000) | 22 | 26 |
Sample standard deviation (in $1,000) | 5.2 | 6.1 |
Degrees of freedom | 72 |
What is the value of the test statistic?
Multiple Choice
-
−3.035
-
+1.658
-
± 2.969
-
−2.697
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