a.
To describe: The shape of the distribution.
The shape of the distribution is Right skewed.
Given:
The histogram shows how many points the Super Bowl champions have won the games by, starting with the very first contest in 1967:
Calculation:
The histogram shows the number of points by which the winning team won the Super Bowl for the year 1967 to 2013.
Here, highest bars in the histogram are to the left and the tails(small) are right.
Conclusion:
The shape of the distribution is Right skewed
b.
To describe: The reason for the shape of the histogram.
The reason for the shape of the histogram is there are few football games that result in an unusual high winning margin.
Given:
The histogram shows how many points the Super Bowl champions have won the games by, starting with the very first contest in 1967:
Calculation:
From part
This means that there are few football games that result in an unusual high winning margin while the majority of the football games result in a winning margin between 0 to 20.
Conclusion:
The reason for the shape of the histogram is there are few football games that result in an unusual high winning margin.
Chapter 10 Solutions
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