574 / 762
574
Chapter 12: Hypothesis Tests – Large Samples
0.0116. This value is greater than the level of significance of 0.01 (1%).
Thus we will arrive at the same conclusion as we did using the classical
approach and fail to reject the null hypothesis..
Figure 12- 32:
Display of the Large Sample Test for the
Difference BetweenTwo Population Means
Workbook for
Example 12-15
So far, in all of the examples in this section, we were provided with
summary information. If data are provided, then we can also use the
workbook to help with the computations.
Example 12-16:
Two different medications were used to determine the
effectiveness of reducing a pain level five headache. As patients reported to
a particular pain clinic with a headache assessed to be at a level five, each
patient was given an equal dosage of one of the two medications, but not
Click here for the Large Sample Test for the Difference Between Two Population Means Workbook