To check: By making a back-to-back stem plot comparing the annual home run production of Roger Maris and Hank Aaron.
Roger Maris scores less home runs in a year than Hank Aaron for average.
Given information:
Regular Season Home Run Statistics for Willie Mays, Mickey Mantle, and Hank Aaron is:
Regular Season Home Run Statistics for Roger Maris:
Concept used:
Draw a vertical line.
Put the digits of the tens to the left of the vertical line and the digits of the ones of every data value to the right of the vertical line.
Calculation:
There will be two leaves and one stem:
Roger Maris scores less home runs in a year than Hank Aaron for average, because the bulk of data values for Hank Aaron lie slightly lower than the bulk of data values for Roger Maris.
The distribution and number of home runs for Roger Maris is more variable than that of Hank Aaron.
This means that the performance of Roger Maris is less reliable than the performance of Hank Aaron.
There is an outlier
Conclusion:
Roger Maris scores less home runs in a year than Hank Aaron for average.
Chapter 10 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
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