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Glencoe Math: Course 3, Volume 2 View details

4. Descriptive Statistics

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Exercise 8 Page 706

The mean is the mathematical average.

Practice makes perfect

We want to find the mean of the given data set. 25,28,36,21,28,15,24,30 The mean of a data set is calculated by finding the sum of all of the values in the set and then dividing by the number of values in the set. In this case, there are 8 values.

Mean=Sum of values/Number of values

SubstituteValues

Substitute values

Mean=25+28+36+21 +28+15+24+30/8

AddTerms

Add terms

Mean=207/8

CalcQuot

Calculate quotient

Mean=25.875

RoundDec

Round to 1 decimal place(s)