find the variance and SD for the following data 3,7,9,8,5
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find the variance and SD for the following data 3,7,9,8,5
find the variance and SD for the following data 3,7,9,8,5
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Answer:
To calculate the variance, you first subtract the mean from each number and then square the results to find the squared differences. You then find the average of those squared differences. The result is the variance. The standard deviation is a measure of how spread out the numbers in a distribution are.