Q. No. 2 Max Marks 10

These data were obtained for the years 1993 through 2002 and indicate the number of fireworks (in

millions) used and the related injuries.

Fireworks in use x 12 08 10 13 07 08 10 06 09 11

Related injuries y 101 92 110 120 90 82 93 75 91 105

a. Find the correlation coefficient between Fireworks and Related injuries and test the hypothesis

that there is no relation between these variables.

b. Find the regression equation of related injuries to fireworks.

c. Predict the number of injuries if 15 million fireworks are used during a given year