mean and sam 3.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Private Colleges
52.8
43.2
45.0
33.3
44.0
30.6
45.8
37.8
50.5
42.0
Public Colleges
20.3
22.0
28.2
15.6
24.1
28.5
22.8
25.8
18.5
25.6
14.4
21.8
a. Compute the sample mean and sample standard deviation for private and public colieges, Round your answers to two decimal places.
42.5
22.3
6.98
4.53
b. What is the point estimate of the difference between the two population means? Round your answer to one decimal place.
20.2
Interpret this value in terms of the annual cost of attending private and public colleges.
%24
20200
G. Develop a 95% confidence interval of the difference between the mean annual cost of attending private and public colleges.
to $
25.7
more expensive than public colleges.
95% confidence interval, private colleges have a population mean annual cost $ 14.696
Transcribed Image Text:Private Colleges 52.8 43.2 45.0 33.3 44.0 30.6 45.8 37.8 50.5 42.0 Public Colleges 20.3 22.0 28.2 15.6 24.1 28.5 22.8 25.8 18.5 25.6 14.4 21.8 a. Compute the sample mean and sample standard deviation for private and public colieges, Round your answers to two decimal places. 42.5 22.3 6.98 4.53 b. What is the point estimate of the difference between the two population means? Round your answer to one decimal place. 20.2 Interpret this value in terms of the annual cost of attending private and public colleges. %24 20200 G. Develop a 95% confidence interval of the difference between the mean annual cost of attending private and public colleges. to $ 25.7 more expensive than public colleges. 95% confidence interval, private colleges have a population mean annual cost $ 14.696
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