a At 95 confidence test the above hypothesis What isare the
a.) At 95% confidence, test the above hypothesis. What is(are) the critical value(s) of the test statistic?
Select one:
A. -1.645
B. 1.645
C. 1.96
D. -1.96
E. -1.96 and 1.96
F. None of the above answers is correct
| Sample 1 | Sample 2 | |
|---|---|---|
| Sample Size | 35 | 34 |
| Sample Mean | 43 | 37 |
| Sample Variance | 140 | 170 |
Solution
B. 1.645
It it right tailed test, we have the positive critical value at alpha
