The following table shows the mean and standard deviation of the lengths of 75 adult puff adders
Question:
The following table shows the mean and standard deviation of the lengths of 75 adult puff adders (Bitis arietans), which are found in Africa and on the Arabian peninsula.
a. Find the mean length of the 75 puff adders.
b. The lengths of individual African puff adders are denoted by xf and the lengths of individual Arabian puff adders by xb. By first finding Σx2f and Σx2b, calculate the standard deviation of the lengths of all 75 puff adders.
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a Mean Length of 75 Puff Adders The mean length of the African puff adders is 1027 cm and the mean l...View the full answer
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Related Book For 
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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