Difference between revisions of "2015 AMC 8 Problems/Problem 5"
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Because <math>40</math> is less than the score of every game they've played so far, the measures of center will never rise. Only measures of spread, such as the <math>\boxed{\textbf{(A)}~\text{range}}</math>, may increase. | Because <math>40</math> is less than the score of every game they've played so far, the measures of center will never rise. Only measures of spread, such as the <math>\boxed{\textbf{(A)}~\text{range}}</math>, may increase. | ||
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{{AMC8 box|year=2015|num-b=4|num-a=6}} | {{AMC8 box|year=2015|num-b=4|num-a=6}} | ||
{{MAA Notice}} | {{MAA Notice}} |
Revision as of 15:57, 16 January 2021
Contents
Problem
Billy's basketball team scored the following points over the course of the first 11 games of the season: If his team scores 40 in the 12th game, which of the following statistics will show an increase?
Solutions
Solution 1
When they score a on the next game, the range increases from to . This means the increased.
Solution 2
Because is less than the score of every game they've played so far, the measures of center will never rise. Only measures of spread, such as the , may increase.
2015 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 4 |
Followed by Problem 6 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AJHSME/AMC 8 Problems and Solutions |
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