Solution-Give the formula for the proper statistic

Give the formula for the proper statistic

Assignment Help Basic Statistics

Reference no: EM13244011

An experiment was conducted to compare the weights of the combs of roosters fed two different vitamin-supplemented diets. Twenty-eight healthy roosters were randomly divided into two groups, with one group receiving diet I and the other receiving diet II. After the study period the comb weight (in milligrams) was recorded for each rooster. The data are:

		DietI	73 130 115 144 127 126 112 76	68 101 126 49 110 123
		DietII	80 72 73 60 55 74 67 89	75 66 93 75 68 76
a)	Suppose you wanted to conduct a nonparametric test to compare these data. Using
α = .05, complete the following:

H0:

Ha: (two-sided):

Value of test statistic:

p-value:

Conclusion:

b) Suppose the experimenters submitted a scientific paper on their results, and received a number of suggestions from referees. One referee suggests that the underlying distributions are normally distributed, and hence that one should compare the two mean weights. Suppose you investigate comparing means assuming normality. Give the formula for the proper statistic to use, and also the p-value.

Formula for test statistic:

p-value::

Reference no: EM13244011

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Give the formula for the proper statistic

Reference no: EM13244011

Reference no: EM13244011

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