Consider two groups of data A and B where 13 If B103A estima

Consider two groups of data A and B, where 13. If B=10-3A, estimate the standard deviation of B from the variance of A. options for Question 13 a 5 b 8.66 c 15 d 25 Question 14 Find the correlation coefficient for the following paired data. Options for questions 14. A -0.741 B -0.549 C -0.016 D 0.153 Question 15 Find the simple regression line of y on x, where Options for Question 15 A y = -0.748x + 1.646 B y = -0.820x + 1.775 C y = -0.748x + 2.024 D y = -0.820x + 2.046 E none of the above

Solution

1.B

2.C

3.A