a
To calculate: ERA using given information.
a
Answer to Problem 20PPS
ERA
Explanation of Solution
Given Information:
Number of earned runs
Number of innings pitched
Formula Used:
ERA
Calculation:
Using (i) and (ii) in (iii),
ERA
Thus, ERA
b
To evaluate: The effectiveness for modeling the given data.
b
Answer to Problem 20PPS
ERA is not so effective to compare pitchers.
Instead, FIP can be used which does not involve fielders.
Explanation of Solution
Given Information:
A data is given.
Summary:
A table showing ERAs of pitchers of various teams is given.
It can be seen for two pitchers, ERA is same. So it is not so effective to compare pitchers.
Instead, FIP can be used which does not involve fielders.
Chapter 1 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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