Data were collected as part of a study of coffee consumption among graduate stud

Question

Data were collected as part of a study of coffee consumption among graduate students. The following reflect cups per day consumed, 3,4,6,8,2,1,0,2. a. use the data analysis tool to compute the sample mean, standard deviation, and median. Use the QUARTILE function to compute the first and third quartiles. In a study of new antihypertensive medication, SBPs are measured at baseline (or the start of the study, before any treatment is administered). The data are as follows:

120 112 138 145 135 150 145 163

148 128 143 156 160 142 150

Explanation / Answer

The Excel outputs are given below:

and for the SBP as

Cups Mean Standard Deviation Median Quartile 1 Quartile 3 3 3.25 2.659216 2.5 1.75 4.5 4 6 8 2 1 0 2

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