Chapter 2, Section 3, Exercise 107 Percent Obese by State Computer output giving

Question

Chapter 2, Section 3, Exercise 107 Percent Obese by State Computer output giving descriptive statistics for the percent of the population that is obese for each of the 50 US states, from the USStates dataset, is given in the table shown below. Since all 50 US states are included, this is a population, not a sample Descriptive Statistics: Obese Variable N N Mean SE Mean StDev Minimum Median 3 Maximum Obese 50 0 28.766 0.476 3.369 21.300 26.375 29.400 31.150 35.100 Percent of the population that is obese by state

Explanation / Answer

b) largest value z score =(X-mean)/std deviation =(35.1-28.766)/3.369=1.880

maximum of 35.1% obses is 1.88 std deviation above the mean.

smallest value z score =(X-mean)/std deviation =(21.3-28.766)/3.369=-2.216

minimum of 21.3% obses is 2.216 std deviation below the mean.

c)as 95% values are 2 std deviation from mean

interval is 22.028% to 35.504%

( please revert for part C)

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