If the data set is: 10, 20, 30, 40, 50, what is the variance?
Practice Questions
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If the data set is: 10, 20, 30, 40, 50, what is the variance?
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Questions & Step-by-Step Solutions
If the data set is: 10, 20, 30, 40, 50, what is the variance?
Mean – The average of a data set, calculated by summing all values and dividing by the number of values.
Variance – A measure of how much the values in a data set differ from the mean, calculated as the average of the squared differences from the mean.
Population vs Sample Variance – Understanding the difference between calculating variance for an entire population versus a sample, which affects the denominator used in the variance formula.