A researcher thinks that smoking marijuana impairs memory. She interviews students to determine how often during an average week he or she smokes marijuana. She gives the same students a word list recall task. Use the correlation to see if Marijuana use is related to word recall.
|
Marijuana use
|
Number of words recalled
|
|
5
|
10
|
|
1
|
08
|
|
6
|
07
|
|
7
|
08
|
|
0
|
16
|
|
1
|
14
|
|
2
|
16
|
|
3
|
15
|
|
6
|
10
|
|
8
|
07
|
Calculate the correlation and the regression equation and plot the data in the space provided.
Calculation and make a graph and provide it at the bottom.
R =
A =
B =