QNT 561 Final Exam UOP Course Tutorials
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9. If an ANOVA test is conducted and the null hypothesis is rejected, what does this indicate?<br />
a) The p-value is less than a.<br />
b) All population means are different.<br />
c) At least one pair of population means is different.<br />
d) The population means are equal.<br />
10. A random sample of 20 items is selected from a population. When computing a<br />
confidence interval for the population mean, what number of degrees of freedom should be<br />
used to determine the appropriate t-value?<br />
a) 25<br />
b) 21<br />
c) 19<br />
d) 20<br />
Find the final exam answers here <strong>QNT</strong> <strong>561</strong> <strong>Final</strong> <strong>Exam</strong> (Latest)<br />
11. The question, "Should products be withdrawn if even one death is associated with its<br />
prescribed use, even if no fault for the tampered product accrues to the manufacturer?" is an<br />
example of a(n) _____.<br />
a) strip data mining issue<br />
b) unresearchable question<br />
c) ill-defined problem<br />
d) favored-technique problem<br />
12. A large department store examined a sample of the 18 credit card sales and recorded the<br />
amounts charged for each of three types of credit cards: MasterCard, Visa, and Discover. Six<br />
MasterCard sales, seven Visa, and five Discover sales were recorded. The store used an<br />
ANOVA to test if the mean sales for each credit card were equal. What are the degrees of<br />
freedom for the F statistic?<br />
a) 2 in the numerator, 15 in the denominator
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