QUESTION 2 A study was conducted to compare four varieties of cat food on weight gain in kittens. Sixteen homogenous kittens were selected at random and assigned equally to variety A, variety B. variety C and variety D. Weight change at five days was obtained and recorded for each kitten. Given Ex. =999. Variety Treatment Total A 24 B 38 29 O 32 a) Based on the experiment above, please state the following: Response variable Treatment iii) Number of replications (3 marks) b) Construct an ANOVA table for the above data. (6 marks) c) Perform a test of hypothesis for the factor at the 1% level of significance. (6 marks) d) Calculate a 95% confidence interval for the difference between variety B and variety D