1.)Make a scatter plots by sex for VistsPerWeek vs. Friends for those in the Facebook_Survey_Sample who have a facebook account.
1.)Make a scatter plots by sex for VistsPerWeek vs. Friends for those in the Facebook_Survey_Sample who have a facebook account.
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
1.)Make a scatter plots by sex for VistsPerWeek vs. Friends for those in the Facebook_Survey_Sample who have a facebook account.
2.)For the men’s scatter plot , from question 1, find the line through (25,60) and (15,40) and then find the RSE for the line.
3. Find the regression line for the points in the men’s scatter plot from question 1.
4.)Use the regression as a model to predict how many facebook friends a man who visits Facebook 80 times per week should have.
5.)Find the RSE for the regression line in question 3.
Transcribed Image Text:We will refer to the data table below as
"Facebook_Survey_Sample".
In the first column 1:="yes" and 0:="no"
In the "Gender" column 1:="Female" and 0:="Male"
VisitsPerWeek Friends Age
45
100
25
60
46
40
80
29
710
40
60
21
25
15
40
22
30
25
18
80
150
200
Facebook
1
1
1
1
1
1
1
1
90
34
6 4 2 2
65
42
52
Gender
1
1
1
1
1
1
Expert Solution
Step 1
Here, we have given the Facebook survey sample data in the question.
Also, some information is given about the table how the values are in it denoted .
1]
Here, we have to make make a scatter plots by sex for Visits Per Week vs. Friends for those in the Facebook Survey Sample who have a Facebook account.
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