Concept explainers
a.
To find: The mean, median, mode, and range of each data set.
a.
Answer to Problem 23PPE
Explanation of Solution
Given information:
Two data set is given in the below back to back stem and leaf plot.
Calculation:
Given data set is −
Hence, for the given data set −
b.
To find: Which measure of central tendency best describes the given data set.
b.
Answer to Problem 23PPE
Mean is the best measure to describe the central tendency.
Explanation of Solution
Given information:
Same as part
Calculation:
From part
Since both data sets do not have any outliers. Hence, mean is the best measure to describe the central tendency.
c.
To find: How to determine which data set has greater mean value using shape of back to back stem and leaf plot.
c.
Explanation of Solution
Given information:
Same as part
Calculation:
From part
Therefore, data set for manufacturing plant A has greater mean value because plot for manufacturing plant B is left skewed.
Chapter 12 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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