Question 1: True or False (2 points each) a) ANOVA tests the null hypothesis that the...
Question 1: True or False (2 points each)
a) ANOVA tests the null hypothesis that the sample means are all equal.
b) A strong case for causation is made in an observational study.
c) In rejecting the null-hypothesis, one can conclude that all the means are different from each other
d) One-way ANOVA can be used only when there are fewer than five means to be compared.
e) The null hypothesis for the Levene’s test for homogeneity of variance is Ho: ?A2=?B2=?C2=..
Homework Answers
a) ANOVA tests the null hypothesis that the sample means are all equal. --> FALSE
b) A strong case for causation is made in an observational study. --> FALSE
c) In rejecting the null-hypothesis, one can conclude that all the means are different from each other --> FALSE
d) One-way ANOVA can be used only when there are fewer than five means to be compared. --> FALSE
e) The null hypothesis for the Levene’s test for homogeneity of variance is Ho: ?A2=?B2=?C2=.--> FLASE
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