DocK dterm 3 notes animals Question 4 Not yet answered Points out of 1.00 v Flag

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DocK dterm 3 notes animals Question 4 Not yet answered Points out of 1.00 v Flag question Determine if the following statements are true or false. If the null hypothesis that the means of four groups are all the same is rejected using ANOVA at a significance level a = 0.05, then lab mo RS The standardized variability between the groups is higher than the standardized variability within the groups. Choose The appropriate modified significance level a to be used in pairwise comparisons of group means is 0.05 / 4 = 0.0125 because there are four groups. Choose We can then conclude that all of the group means are different from one another Choose Loph

Explanation / Answer

F statistic is defined as ration of mean sum of squares of treatment and mean sum of error squares.so 1 is true.

2 is also true.

3 is not true as in the alternate hypothesis we only have that at least one mean different.so it may happen three means are same and one is different from the others.

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