1A. In a one-way ANOVA, if the computed F statistic exceeds the critical F value

ID: 3231413 • Letter: 1

Question

1A.

In a one-way ANOVA, if the computed F statistic exceeds the critical F value, we may

A. reject H0 since there is evidence all the means differ.

B. not reject H0 since there is no evidence of a difference.

C. reject H0 since there is evidence of a treatment effect.

D. not reject H0 because a mistake has been made.

1B.

What is the null hypothesis when we are testing for the difference between the means of 2 independent populations with samples of sizes n1 and n2?

A. Ho : p1 = p2

B. Ho : µ1 = µ2

C. Ho : µ1 µ2

D. None of the above

1C.

In a multiple regression model, the value of the coefficient of multiple determination

A. has to fall between -1 and +1.

B. has to fall between 0 and +1.

C. has to fall between -1 and 0.

D. can fall between any pair of real numbers.

1. C. reject H0 since there is evidence of a treatment effect.

2. B. Ho : µ1 = µ2

3. B. It is also called Rsqaure which is from 0 to 1

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