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MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Plz don't copy answer from Chegg

 

Plz answer fast without plagiarism i give up vote 2 

Suppose that a researcher is interested in studying the number of buildings that are on the
campuses of US Community Colleges. To study this the researcher randomly selects 15 cities across
the US and studies all the community colleges within 10 miles of that city. They ultimately study
94 community colleges. For each community college the researcher records the number of buildings
on its campus.
Number of Buildings Frequency
[0,8)
25
26
21
16
6
[8, 16)
[16, 24)
[24, 32)
[32, 40)
(a) What was the population of interest in this question?
(b) What was the sample in this question?
(c) What was an individual in this question?
(d) What sampling technique was used here to build this sample?
(e) Construct a histogram from this frequency table. Describe the shape of the distribution.
(f) Estimate the average and standard deviation for the number of buildings on the campuses
of US community colleges. Make sure to include units.
Transcribed Image Text:Suppose that a researcher is interested in studying the number of buildings that are on the campuses of US Community Colleges. To study this the researcher randomly selects 15 cities across the US and studies all the community colleges within 10 miles of that city. They ultimately study 94 community colleges. For each community college the researcher records the number of buildings on its campus. Number of Buildings Frequency [0,8) 25 26 21 16 6 [8, 16) [16, 24) [24, 32) [32, 40) (a) What was the population of interest in this question? (b) What was the sample in this question? (c) What was an individual in this question? (d) What sampling technique was used here to build this sample? (e) Construct a histogram from this frequency table. Describe the shape of the distribution. (f) Estimate the average and standard deviation for the number of buildings on the campuses of US community colleges. Make sure to include units.
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