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.     127.6127.6 138.4138.4 125.9125.9 131.7131.7 142.8142.8 134.8134.8 138.6138.6 128.9128.9       ​(Round to two decimal places as​ needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter4: Equations Of Linear Functions
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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.  
 
127.6127.6
138.4138.4
125.9125.9
131.7131.7
142.8142.8
134.8134.8
138.6138.6
128.9128.9
 
 
 
​(Round to two decimal places as​ needed.)
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