SOLUTION: A graduate teaching assistant for an Introduction to Statistics course collected data from one of her classes to investigate the relationship between using the explanatory variable

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Question 1046958: A graduate teaching assistant for an Introduction to Statistics course collected data from one of her classes to investigate the relationship between using the explanatory variable xequals=study time per week​ (average number of​ hours) to predict the response variable yequals=college GPA. For the 21 females in her​ class, the correlation was 0.42. For the eight males in her​ class, the data were as shown in the following table. Complete parts a through c below.
Student
1
2
3
4
5
6
7
8

Study Time
1414
1111
2424
1111
1313
2121
55
44
GPA
3.43.4
3.13.1
3.63.6
3.33.3
2.82.8
3.93.9
2.92.9
2.62.6
a. Construct a scatterplot. Interpret.
Which scatterplot below correctly shows the​ data?
A.
0
40
0
4
x
y
x y graph
B.
0
40
0
4
x
y
x y graph
Your answer is correct.C.
0
40
0
4
x
y
x y graph
D.
0
40
0
4
x
y
x y graph
The scatterplot shows
a strong positive
association between the two variables.
b. Find and interpret the correlation.
The correlation is?
​(Round to two decimal places as​ needed.)

Answer by ewatrrr(24785) About Me  (Show Source):
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Data makes no sense: repost
1414
1111
2424
1111
1313
2121
55
44
GPA
3.43.4
3.13.1
3.63.6
3.33.3
2.82.8
3.93.9
2.92.9
2.62.6