A long-distance phone company wishes to estimate the mean duration of long-distance calls originating in California. A random sample of 15 long-distance calls originating in California yields the following call durations, in minutes. 52 55 17 21 29 31 13 1 19 12 2 37 5 Use the data to obtain a point estimate of the mean call duration for all long-distance calls originating in California. Round to three decimal places. O A. 13.600 minutes B. 14.069 minutes C. 14.366 minutes OD. 13.784 minutes

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A long-distance phone company wishes to estimate the mean duration of
long-distance calls originating in California. A random sample of 15 long-distance
calls originating in California yields the following call durations, in minutes.
5 525 5
17 21 29 31 13
119 12 2 37
Use the data to obtain a point estimate of the mean call duration for all long-distance
calls originating in California. Round to three decimal places.
O A. 13.600 minutes
B. 14.069 minutes
C. 14.366 minutes
O D. 13.784 minutes
Transcribed Image Text:A long-distance phone company wishes to estimate the mean duration of long-distance calls originating in California. A random sample of 15 long-distance calls originating in California yields the following call durations, in minutes. 5 525 5 17 21 29 31 13 119 12 2 37 Use the data to obtain a point estimate of the mean call duration for all long-distance calls originating in California. Round to three decimal places. O A. 13.600 minutes B. 14.069 minutes C. 14.366 minutes O D. 13.784 minutes
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