AID18736: The data of two variables X and Y is given below:

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AID18736: The data of two variables X and Y is given below:

 

TABLE BELOW

YX
3 45
4 56
5 54
6 56
7 57
6 58
6 67
6 68
7 76
7 76
8 78
9 79
12 80
13 81
15 84
17 89
  1. Calculate the correlation between X and Y
  2. Apply the regression between X and Y (as dependent variable)
  3. Estimate the R square
  4. Predict Y when X = 50