We wish to see if two groups of nurses distribute their time in six different categories about the same way. That is, the hypothesis under consideration is H0: pi1 = pi2, i = 1, 2, . . . , 6. To test this hypothesis, nurses are observed at random throughout several days, each observation resulting in a mark in one of the six categories. A summary of the results is given by the following frequency table:

Use a chi-square test with α = 0.05.

STAT 2004 CHAPTER ONE: INTRODUCTION TO DATA POPULATIONS AND SAMPLES Population- Represents all people or things of interest. Sample- Observed/measured subset of a population. Data- Observations that form the backbone of a statistical investigation. Summary statistic- A single number that summarizes a large...