Solution-Find the mean output for each fertilizer

Find the mean output for each fertilizer

Assignment Help Basic Statistics

Reference no: EM131055011

Table gives the output for 8 years of an experimental farm that used each of 4 fertilizers. Assume that the outputs with each fertilizer are normally distributed with equal variance.

(a) Find the mean output for each fertilizer and the grand mean for all the years and for all four fertilizers.

(b) Estimate the population variance from the variance between the means or columns.

(d) Test the hypothesis that the population means are the same at the 5% level of signi?cance.

Table - Eight-Year Outputs with 4 Di?erent Fertilizers

Fertilizer 1	Fertilizer 2	Fertilizer 3	Fertilizer 4
51	47	57	50
47	50	48	61
56	58	52	57
52	61	60	65
57	51	61	58
59	48	57	53
58	59	51	61
60	50	46	59
440	424	432	464

Reference no: EM131055011

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Find the mean output for each fertilizer

Reference no: EM131055011

Reference no: EM131055011

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