The ages of the members of a family who got together for a birthday celebration were 16, 26, 53, 56, 65, 70, 93, and 97years. Find the mean age.
Write the formula for the mean: mean=sum of all the numbers/n Write the sum of the numbers in the numerator. mean=(16+26+53+56+65+70+93+97)/n Count how many numbers are in the set. Call this n and write it in the denominator. mean=(16+26+53+56+65+70+93+97)/8 Simplify the fraction. mean=476/8 mean=59.5 Is 59.5 ‘typical’? Yes, it is neither less than 16 nor greater than 97. The mean age is 59.5 years.
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