# Statistics : Solution And Answers

Question 1You are provided with data for several nations from

the Human Development Report, 2017.a. Compute summary statistics

(mean, median, mode, standard deviation etc.) for the variables

ofGDP (GDP per capita in thousands of dollars) and Internet use.b.

Generate a scatterplot with clearly labeled axes CO2 and GDP.CO2

will be on the Y axis.Comment on what you see.c. Compute the

correlation between CO2 and GDP and interpret it. Refer to both the

strength anddirection of the correlation in your interpretation.d.

Using the variable Internet Use, construct the 1st, 2nd, and 3rd

standard deviation from the meanintervals and calculate the

percentages for each. Then make a short interpretation on whether

theymatch the percentages in the Empirical Rule.Provide

descriptions of the distributions based on the summary statistics.

Address skewness in yourdescription.SOLUTION:a. Compute summary

statistics (mean, median, mode, standard deviation etc.) for the

variables ofGDP (GDP per capita in thousands of dollars) and

Internet use.GDP Summary StatisticsMeanStandard

ErrorMedianModeStandard DeviationSample

VarianceKurtosisSkewnessRangeMinimumMaximumSumCount16.351.7817.44#N/A11.11123.45-1.110.1841.660.7942.45637.5739Internet

Use Summary StatisticsMeanStandard ErrorMedianModeStandard

DeviationSample

VarianceKurtosisSkewnessRangeMinimumMaximumSumCount21.142.9620.14#N/A18.47341.03-1.560.2451.540.0951.63824.4539b.

Gene …