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##### 4.3 Practice Problems 1. A study is conducted to estimate

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solution

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Question;4.3 Practice Problems;1. A study is conducted to estimate the mean total cholesterol level in;children 2-6 years of age. A sample of 9 participants is selected and their;total cholesterol levels are measured as follows.;185 225 240 196 175 180 194 147 223;a. Use the Data Analysis Tool to compute the sample mean, standard deviation;and median.;b. Use the QUARTILE function to compute the first and third quartiles.;2. The following 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.;b. Use the QUARTILE function to compute the first and third quartiles.;3. In the study of a new anti-hypertensive medication, systolic blood pressures;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;Use Excel functions to compute the sample mean, standard deviation, median and;quartiles.;4. The following are baby height measurements, in cm, for a sample of women;participating in a study of pregnancy outcomes;28 30 41 48 29 48 62 49 51 39;Use the Data Analysis Tool to compute summary statistics.

Paper#62395 | Written in 18-Jul-2015

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