Find the mean, median, mode, range, and outliersa. 12 , 20 , 18 , 15 , 10 , 10 , 12

b. 48 ,32 ,67 ,61 ,47 ,95 ,89 ,888 ,1

First (order)

a. 10 ,12 ,12 ,15 ,18 ,20

b. 1 ,32 ,47 ,48 ,61 ,67 ,89 ,95 ,888

a.

mean: 14.5 b.

mean: 147.56

median: 13.5

median: 61

mode: 12

mode: no mode

range: 10

range: 887

outlier: no outlier

outlier: 888, 1

Effect of outliers

Some outliers need to be removed from a data set. This is typically a judgement call.

Outliers have an effect on all measures of central tendency.http://www.schooltube.com/video/85e9382853d3425594fd/Mean-Median-Mode-Range-Outliers

Homework- Page 444-445 numbers 1-8

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