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Mathematics & Economics
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Mean and variance. Mathematics & Economics Math Problem (Math Problem Sample)

Instructions:

Mean and variance solutions with written explanation

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Content:

Question
Seven samples were obtained having the values 21,22,26,29,27,26 and 24.
Find the value of the mean and standard deviation.
To find the mean of a data set, you add all the values in the data set and divide by the number of values in the set.
The formula of the mean is
Mean = Sum of all data points / Number of all data points

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