Q1) Following data for dependent variable , Y and independent variable, x, have been gathered using simple random sampling
|
X
|
Y
|
|
10
|
120
|
|
14
|
130
|
|
16
|
170
|
|
12
|
150
|
|
20
|
200
|
|
18
|
180
|
|
16
|
190
|
|
14
|
150
|
|
16
|
160
|
|
18
|
200
|
a) Create a scatter plot for those data. Based on scatter plot, how would you explain relationship between the two variable.
b) Calculate the correlation coefficient