can you help me with? not excle answer. Q: the following table gives sample mean
ID: 3249633 • Letter: C
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can you help me with? not excle answer.
Q: the following table gives sample means, sample variances and sample sizes for samples from 3 experimental group. Assume the samples comes from normal distribution with a common population variance. Construct a 1-way analysis of variance table. Include the value of the F statistic for teasting the nuil hypothesis that the population means are all equal. you don't have to include a p-value or carry out the test
Q: The Data belown are from a spilt=plot experiment to estimate teh difference in yield between fartilized and unfartilized wheat. at a significance level of a=0.05 can we conclude that the mean difference in yield is different from D?
Group n means Variance Basal 22 41.05 31.76 DRTA 22 46.73 54.59 Strat 22 33.27 33.26Explanation / Answer
Q)
as p value is less then 0.05 level we reject nulll hypothesis and conclude that the mean difference in yield is different from D
i ni Xi Si^2 ni*(Xi-mean)^2 (n1-1)*Si^2 basal 1 22 41.05 31.76 10.780 666.96 DRTA 2 22 46.73 54.590 895.497 1146.39 Strat 3 22 33.27 33.260 1102.781 698.46 mean 40.350 2009.058 2511.810 SSG SSE Source of variation SS df MS F treatment 2009.058 2 1004.529 25.195 error 2511.810 63 39.870 total 4520.868 65Related Questions
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