We are curious about the average number of Facebook friends that college students have. We take a simple random sample of 40 students and record the number of Facebook friends each student has. 1. Before we open the data set, what is our population, our sample, and our parameter of interest? 2. Using the graph, describe any significant features of the data set. What shape does it have? What is the range of the number of Facebook friends? Are there any outliers?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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We are curious about the average number of Facebook friends that college students have. We take a simple random sample of 40 students and record the number of Facebook friends each student has.

1. Before we open the data set, what is our population, our sample, and our parameter of interest?

2. Using the graph, describe any significant features of the data set. What shape does it have? What is the range of the number of Facebook friends? Are there any outliers?

 

 

Simple Histogram of FBfriends
Mean = 358.4
Std. Dev. = 181.796
N= 40
8.0
6.0
4.0
2.0
0.0
200
400
600
800
FBfriends
Frequency
Transcribed Image Text:Simple Histogram of FBfriends Mean = 358.4 Std. Dev. = 181.796 N= 40 8.0 6.0 4.0 2.0 0.0 200 400 600 800 FBfriends Frequency
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