Question

In: Statistics and Probability

a. The weight of 8 persons (in LB) are: 138,143,141, 139, 152, 148, 160 and 267....

a. The weight of 8 persons (in LB) are: 138,143,141, 139, 152, 148, 160 and 267. Find the average weight using the suitable form of average. Give reason for your choice.

b.

126

127

156

167

189

234

302

117

134

The above data consists of two outliers 234 and 302, due to which the A.M. is greatly affected. Treating outliers as one group and remaining observations as second group compute the following:

i. arithmetic mean of individual groups and combined group

ii. standard deviations of individual groups and combined standard deviation of both groups, also interpret your answer

Solutions

Expert Solution

orchestra answered 1 year ago
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