A completely randomized design
A) has one factor and one block and multiple values.
B) has only one factor with several treatment groups.
C) can have more than one factor, each with several treatment groups.
D) has one factor and one block.
Q. 2When would you use the Tukey-Kramer procedure?
A) to test independence of errors B) to test for homogeneity of variance
C) to test for normality D) to test for differences in pairs of means
Q. 3Which of the following components in an ANOVA table are not additive?
A) Sum of squares B) Mean squares
C) Degrees of freedom D) It is not possible to tell.
Q. 4In a one-way ANOVA, if the computed F statistic is greater than the critical F value you may
A) not reject H0 since there is no evidence of a difference in the means.
B) reject H0 since there is evidence that not all the means are different.
C) reject H0 since there is evidence all the means differ.
D) not reject H0 because a mistake has been made.
Q. 5True or False: A statistics professor wanted to test whether the grades on a statistics test were the same for upper and lower classmen. The professor took a random sample size of 10 from each, conducted a test and found out that the variances were equal. For this situation, the professor should use a t test with independent samples.
Indicate whether the statement is true or false
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