Question
A two sample Z test for the difference in population means is to be performed with H 0 : A = B vs. H a
A two sample Z test for the difference in population means is to be performed with
H0: A = B vs. H a: A B.
The test is to be performed at a 95% level of confidence. Data for the samples is shown in the table below.
Sample | Size (n) | Mean | Std dev. |
A | 66 | 32 | 4.6 |
B | 80 | 30 | 4.1 |
What is the Ztest value to be used in the analysis?
Group of answer choices
+2.745
+1.96
+1.645
+3.66
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Advances In Mathematical Economics Volume 19
Authors: Shigeo Kusuoka, Toru Maruyama
1st Edition
4431554890, 9784431554899
