If we reject the null hypothesis in a one-wav ANOVA, there is evidence to sugges

Question

If we reject the null hypothesis in a one-wav ANOVA, there is evidence to suggest that at least two treatment means differ. (a) True (b) False In a two-way ANOVA, factor A is A is run at 6 leaves and factor B is run at 8 leaves, than the number of degrees of freedom for treatments is calculated to be 47. (a) True (b) False In a simple linear regression problem, based on a date set 16 ordered pairs (x, y), i = 1, 2..., 18, we use t-test to H_0: beta_1 = 0 vs. H_a: beta_1 notequalto 0 at the 0.05 level. Then the rejection region is given by |t| > 1.746. (a) True (b) False The lest is used to check if a linear statistical relationship exists between the response variable and at least one predictor variable is called the test for significance of regression. (a) True (b) False The trials of a multinomial experiment are dependent: that is, the outcome on one trial does affect the outcomes on other tribes. (a) True (b) False

Explanation / Answer

6)True, Rejecting null hypothesis means that we are confident that the means differ

7) True = Degree of freedom = (n1)*(n2) - 1 = 6*8-1=47

8) True, t-value for 15 degrees of freedom at 0.05 level is 1.746

9) True. This test checks if the slope is significantly different from 0 and is used for the test of significance of regression

10) False. Trials of multinomial distribution are independent.

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