A survey asked a group of medical doctors how many children they had fathered. The results are
Question:
A survey asked a group of medical doctors how many children they had fathered. The results are summarized by this ungrouped frequency distribution:
Number of Children 0 1 2 3 4 6 Number of Doctors 15 12 26 14 4 2 Calculate the sample mean, variance, and standard deviation for the number of children the doctors had fathered.
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Related Book For 
Just The Essentials Of Elementary Statistics
ISBN: 9780495314875
10th Edition
Authors: Robert Johnson, Patricia Kuby
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