Concept explainers
To find: the appropriate measure of centre.
Answer to Problem 11IP
Median is the most appropriate measure which can be used to describe the test score.
Explanation of Solution
Given information:
The dataset of math test scores for which appropriate measure of centre needs to be determine is as follows
Formula used:
1)
2) median= middle number of data arranged from least to greatest.
3) mode = number or data occurred most often.
Calculation:
Test scores are as follows
Calculate mean of dataset
Mean =
Calculate median of dataset
Arrange the math test score in ascending order.
Since number of math test score is even that is 8 so median is
Median =
=
=
Calculate mode of dataset
Arrange the math test score in ascending order.
Mode =
Median that is 89 is the greatest value of the three measures. Since M wants to show a high test score, so median is the appropriate measure.
Chapter 10 Solutions
Glencoe Math Accelerated, Student Edition
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