Refer to Exhibit 7-8. The store owner
a. should continue to buy supplies in equal quantities.
b. should adjust the quantity of supplies.
c. does not have enough evidence to make a decision.
d. None of these are true.
Ques. 2Refer to Exhibit 7-8. What are the degrees of freedom for the statistic?
a. 1
c. 4
b. 2
d. 1 and 5
Ques. 3Refer to Exhibit 7-8. What is the value for the statistic?
a. 1.05
c. 9.95
b. 5.45
d. None of these are true.
Ques. 4Refer to Exhibit 7-8. What is the appropriate statistic for this question?
a. Chi Square Test of Independence
c. Analysis of Variance
b. Chi Square Goodness of Fit
d. None of these are true.
Ques. 5Refer to Exhibit 7-7. What are the degrees of freedom for Error?
a. 1
c. 20
b. 2
d. 24
Ques. 6Refer to Exhibit 7-7. Which of the following is associated with greatest power
a. small effect size, small number, small heterogeneity.
b. large effect size, small number, small heterogeneity.
c. large effect size, large number, small heterogeneity.
d. large effect size, large number, large heterogeneity.
Ques. 7Refer to Exhibit 7-7. The designers can conclude
a. there is evidence to suggest a difference between the morning and afternoon classes.
b. there is evidence to suggest a difference between the old and new lesson designs.
c. there is evidence to suggest that the lesson design effect in the morning is different from the lesson design effect in the afternoon.
d. None of these are true.
Ques. 8Refer to Exhibit 7-7. Which sources of variance are significant?
a. Time of Day
b. Lesson Design
c. Interaction
d. a and b
e. None of these are true.
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