An experiment was conducted to compare the yields of four varieties (A, B, C, D) of potatoes . The yields for the varieties (in K.g.) are as follows:A B C D29 19 19 4822 14 32 4427 20 10 5456 28 21 4549 41 24 4038 27 52 39Test the hypothesis (at the 5% level of significance) for the equality of means of four varieties of potatoes. (6)

Q.No.5 An experiment was conducted to compare the yields of four varieties (A, B, C, D) of potatoes . The yields for the varieties (in K.g.) are as follows: A B C D 29 19 19 48 22 14 32 44 27 20 10 54 56 28 21 45 49 41 24 40 38 27 52 39