Question

The following data represents rainfall (x) and yield of paddy per hectare (y) in a
particular area.
x 113 102 95 120 140 130 125
y 1.8 1.5 1.3 1.9 1.1 2.0 1.7
a) Fit the regression equation x on y
b) Estimate y when x = 145
c) Calculate karl pearson’s coefficient of correlation.
d) Calculate regression coefficient x on y and y on x

Answer 1

ans is (d)

hope it helps