Statistical Inference: Hypothesis Testing for Two Populations
375
FIGURE 11.5
MS Excel
t
-Test:
Two-Sample Assuming
Equal Variances dialog
box
FIGURE 11.6
MS Excel output for
Example 11.2
FIGURE 11.7
Minitab Two-Sample
t
for the Mean dialog
box
M11 Buisiness Statistics xxxx 11.indd 3756/17/2020 11:47:11 AM
Chapter 11
376
place second column besides Sample 2. Click Options. The Two-Sample t: Options dialog box
will appear on the screen (Figure 11.8). For specifying the con dence level for the test, place
95.0 in the Con dence level box. The ...
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