Concept explainers
To Find: Variance and standard deviation from the table.
Answer to Problem 3.3CYU
Thus, Sample variance is
Explanation of Solution
Given information:
For the given data
Total |
Mean is calculated as
Sample variance is calculated as,
Standard deviation is calculated as,
Standard deviation is the measure of dispersion of a set of data from its mean. It is measure the absolute variability of distance. Higher the dispersion the greater is the standard deviation.
Thus, Sample variance is
Chapter 1 Solutions
The Practice of Statistics for AP - 4th Edition
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