QUESTION7 1 points Consider the study of weight gain in pigs. We are interested

Question

QUESTION7 1 points Consider the study of weight gain in pigs. We are interested in testing that the true difference in mean weight gain between the Vitamin B12 and the no Vitamin B12 group is zero. The P-value for this test was o.o14. Which one of the following is a reasonable interpretation of this result? O The true difference in mean weight gain (Vitamin B12 -no Vitamin B12) is zero. O The true difference in mean weight gain (Vitamin B12 -no Vitamin B12) is not zero. The probability that the true difference in mean weight gain between the Vitamin B12 and the no Vitamin B12 group is equal to zero, is o.014. O The probability that the true difference in mean weight gain between the Vitamin B12 and the no Vitamin B12 group is not zero, is 0.986 (1-0.014) O An absolute difference in means of o.27 kg or more is unlikely if the true difference in mean weight gain between the Vitamin B12 and the no Vitamin B12 group is zero.

Explanation / Answer

Here we want to test The hypothesis:

Ho:- The difference in mean weight gain between the vitamin B12 and no Vitamin B12 group is equal to zero.

V/s

Ha: The difference in mean weight gain between the vitamin B12 and no Vitamin B12 group is not equal to zero.

Here pvalue is 0.014

We reject Ho if P value < 0.05

Here pvalue=0.014 < 0.05

We reject Ho.

The decision is The difference in mean weight gain between the vitamin B12 and no Vitamin B12 group is not equal to zero.

Answer: The true difference between weight gain(vitamin B12 - No vitamin B12) is not zero.

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