10.) A random selection of people in a city were asked “How much do you spend on gasoline per month?” The responses were as follow: 0 0 20 40 4040 45 45 50 5060 60 60 75 7580 80 80 100 120 120 150 150 150 150160 160 175 180 200200 200 200 200 220 Construct a 95% confidence interval that contains the average monthly income for all people in this city. Assume a population standard deviation of $15. 10. A random selection of people in a city were asked “How much do you spend on gasoline permonth?" The responses were as follow:20404040454550506060607575808080100120120150150150150160160175180200200200200200220Construct a 95% confidence interval that contains the average monthly income for all peoplein this city. Assume a population standard deviation of $15.

A random selection of people in a city were asked “How much do you spend on gasoline per month?” The responses were as follow: 0 0 20 40 40 40 45 45 50 50 60 60 60 75 75 80 80 80 100 120 120 150 150 150 150 160 160 175 180 200 200 200 200 200 220 Construct a 95% confidence interval that contains the average monthly income for all people in this city. Assume a population standard deviation of $15.

A random selection of people in a city were asked “How much do you spend on gasoline per month?” The responses were as follow: 0 0 20 40 40 40 45 45 50 50 60 60 60 75 75 80 80 80 100 120 120 150 150 150 150 160 160 175 180 200 200 200 200 200 220 Construct a 95% confidence interval that contains the average monthly income for all people in this city. Assume a population standard deviation of $15.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

10.) A random selection of people in a city were asked “How much do you spend on gasoline per month?” The responses were as follow:

0 0 20 40 40

40 45 45 50 50

60 60 60 75 75

80 80 80 100 120

120 150 150 150 150

160 160 175 180 200

200 200 200 200 220

Construct a 95% confidence interval that contains the average monthly income for all people in this city. Assume a population standard deviation of $15.

10. A random selection of people in a city were asked “How much do you spend on gasoline per
month?" The responses were as follow:
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40
40
40
45
45
50
50
60
60
60
75
75
80
80
80
100
120
120
150
150
150
150
160
160
175
180
200
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200
220
Construct a 95% confidence interval that contains the average monthly income for all people
in this city. Assume a population standard deviation of $15.

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