Question

This data set represents the widths in yards of pieces of fabric used by a sewing group.

Answer 1

The mean of the data set in simplest form is: 4/5 yard.

What is the Mean of a Data Set?

Mean = sum of all values in the data set divided by the number of values in the data set.

Mean of the data set = (1 1/3 + 1/4 + 2/3 + 1/2 + 1 1/4)/5

Convert the mixed fractions to improper fractions

(4/3 + 1/4 + 2/3 + 1/2 + 5/4)/5

[(16 + 3 + 8 + 6 + 15)/12]/5

(48/12)/5

= 4/5

Therefore, the mean of the data set in simplest form is: 4/5 yard.

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