Answer to Question #324763 in Statistics and Probability for Subham

Question

From a paddy field, 12 plants randomly selected. The length of panicle (cm) (x) and no. of grains/panicle (y) is recorded as follows.

x - 22.9,23.9,24.8,21.2,22.2,22.7,23,24,20.6,21,24,23.1

y -112,131,147,90,100,106,127,145,85,94,142,111

Calculate ‘r’ by direct and change of origin and change of scale.