Concept explainers
(a)
To find:
The standard deviation of the monthly home run totals in the player’s rookie season.
(a)
Answer to Problem 24E
Explanation of Solution
Given:
The table
Concept used:
The mean of the squared deviation or variance
The square root of the variance
Calculation:
The mean is
The mean of the squared deviation or variance
The square root of the variance
The standard deviation of the monthly home run totals in the player’s rookie season
(b)
To find:
The standard deviation of the monthly home run totals in this player’s rookie season.
(b)
Answer to Problem 24E
Explanation of Solution
Given:
The table
Concept used:
The mean of the squared deviation or variance
The square root of the variance
Calculation:
The mean of the squared deviation or variance
+
| |||
+
|
The square root of the variance
The standard deviation of the monthly home run totals in this player’s rookie season
(c)
To explain:
The number of homeruns in this season and the number of hone runs in rookie season.
(c)
Answer to Problem 24E
The number of homeruns in this season is more spread out than the number of hone runs in rookie season
Explanation of Solution
Given:
The table
Concept used:
The mean of the squared deviation or variance
The square root of the variance
Calculation:
The mean is
The mean of the squared deviation or variance
The square root of the variance
The mean of the squared deviation or variance
+
The square root of the variance
++
The number of homeruns in this season is more spread out than the number of hone runs in rookie season.
Chapter 7 Solutions
BIG IDEAS MATH Integrated Math 1: Student Edition 2016
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