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Concept explainers
To find: the mean, median, and mode for the given data.
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Answer to Problem 13.1.1EP
The mean is
The median is
It has no mode.
Explanation of Solution
Given:
Quiz scores
Measure of central tendency:
Consider the below data,
Find the mean, median, mode.
Mean:
Mean is sum of data points divided by the number of data points.
Here number of data points is
Hence, the mean is
Median:
Median is the middle number of the data ordered from lowest to greatest.
Data in increasing order is
Here middle number is
Hence, the median is
Mode:
Mode is the number or numbers that occur more often.
Here all data points are occurring only one time.
Hence, it has no mode.
Conclusion:
Hence, the mean is
Chapter SH Solutions
Pre-Algebra Student Edition
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