Blood pressure A medical study finds that x = 114.9 and sx = 9.3 for the seated systolic blood pressure of the 27 members of one treatment group. What is the standard error of the mean? Interpret this value in context.

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...