Homework:Section 7.2 - Video and Homework Assignment

Question 6, 7.2.13-T

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Part 1

Archeologists have studied sizes of Egyptian skulls in an attempt to determine whether breeding occurred between different cultures. Listed below are the widths (mm) of skulls from 150 A.D. Construct a

95%

confidence interval estimate of the mean skull width.

128.3

138.2

126.4

131.8

142.7

135.1

139.2

129.1

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Part 1

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mm<