Type of Call Local Call Number Duration of Call (in minutes) 1 3 Long distance Local 2 3 4 4 3 Local 5 Long distance 6 6. Local 7 3 Local 8 Local 9 8 Local

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Determine the standard error of the mean. (Round to the thousandth place)
What is the point estimate for the proportion of all calls that were long distance?
(Round to the third place of decimal)
Determine the standard error of proportion. (Round to third place of decimal)
Transcribed Image Text:Determine the standard error of the mean. (Round to the thousandth place) What is the point estimate for the proportion of all calls that were long distance? (Round to the third place of decimal) Determine the standard error of proportion. (Round to third place of decimal)
A random sample of nine telephone calls in an office provided the following
information.
Type of Call
Local
Call Number
Duration of Call (in minutes)
1
3
2
8
Long distance
3
4
Local
4
3
Local
5
Long distance
6
Local
7
Local
8
Local
9
8.
Local
Determine the point estimate for the average duration of all calls in this office.
What is the point estimate for the standard deviation of the population?
6 m5 00
Transcribed Image Text:A random sample of nine telephone calls in an office provided the following information. Type of Call Local Call Number Duration of Call (in minutes) 1 3 2 8 Long distance 3 4 Local 4 3 Local 5 Long distance 6 Local 7 Local 8 Local 9 8. Local Determine the point estimate for the average duration of all calls in this office. What is the point estimate for the standard deviation of the population? 6 m5 00
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