QUESTION 7 A feeding test in conducted on a herd of 25 dairy cows to compare two diets, A and B. A sample of 13 coat randomnly selected from the bend are fed dick A and the remaining cows are fed with dict B. From observations mule over a three-weck period, the average daily milk production (in L) is recorded for each cour Milk Yield (in L) Diet A Dict B Assome their fud samples come from independent normally distributed populations with equal variances, Is there any evidence to support the claim that there is a significant difference in truc mean of the milk yields for the two dictat Test Stafftic: 6.0.104 QUESTIONS A feeding test is conducted on a bend of 15 dairy cows to compare two diets, A and B. A sample of 13 gras randomly selected from the herd are fed dict A and the remaining cows are fod with diet B From observation made over a three-weck period, the average daily milk production (fn L) is recorded for each core Milk Yield (in L) DisLA Dict B Assume there two samples come from independent normally distributed populations with equal variancer, Is there any evidence to support the claim that there is a significant dillicence in true mean of the milk yields for the two dicta? Your decision at 5% level of significant : On Reject it. Oh, Fail to reject #, There is no significant difference between the two diets at a = 0.05 d Both (b) and (c ) are correct. QUESTION 9 A feeding test is conducted on a herd of 25 dairy cows to compare two diets, A and B. A sample of 13 cows randomly selected from the herd are fed dict A and the remaining cows are fed with dict B. From observations made over a three-week period, the average daily milk production (in L) is recorded for cach cow: Milk Yield (in L) Dict A 14 SH Diet B Assume these two samples come from independent normally distributed populations with equal variances. Is there any evidence to support the claim that there is a significant difference in true mean of the milk yields for the two dictat The 95%% confidence interval for the differences of the means: Ob (25.21, 35.07) Of (42.25, 45.15) d.(-49.27. 55 07)