There have been 57 US Presidential inaugurations in U.S. history. At each one, t

Question

There have been 57 US Presidential inaugurations in U.S. history. At each one, the president has made an inaugural address. The first one televised was Harry Truman's in 1949. The following boxplots shows the length of the inaugural addresses (in number of words) both before they were televised and after. The Pre-TV group has a single outlier at _____ Approximate the first quartile tor the Pre-TV group. Approximate the range for the Post-IV group. What is the approximate median of the post-TV group? _____ Explain why this value is considered a parameter. Does television appear to have affected the length of inaugural address? Explain using the boxplot.

Explanation / Answer

a)here outlier is 8500 for pre-TV

b)approximatey 1st quartile is 1200 for pre-TV

c)InPOST-TV there is Minimum approximate value=1500 and maximum approxiamte value =2500

So Range = Maximum-Minimu =2500-1500=1000

d)here Mediun is 2100. Because within the box, a vertical line is drawn at the 2100, the median of the data set.

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