Business Statistics

Chapter 11 | Statistical Inference: Hypothesis Testing for Two Populations 361

Therefore, it can be concluded that a signicantly higher proportion of employees

from bank B do not suffer from high stress levels. The result obtained from the

sample may be due to chance.

It is important to note that by changing the level of signicance for the test,

the alternative hypothesis is accepted. Hence, we cannot ignore the high stress

levels of employees due to their long working hours and efforts should be taken to

launch stress management programmes.

11.5.1 Using Minitab for Hypothesis Testing About the Difference in Two

Population Proportions ...