Concept explainers
a)
To find : Is given sample a sample or population ?
a)
Answer to Problem 23PPS
A sample
Explanation of Solution
Given Information :
The Iditarod is a
Calculation :
A sample.
Because it is for recent years, not all years.
b)
To find : Standard deviating of winning times.
b)
Answer to Problem 23PPS
Explanation of Solution
Given Information :
Data
Formula Used:
Calculation :
Standard deviation,
Chapter 12 Solutions
Algebra 2
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