# 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 …

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