QNT 561 Final Exam UOP Course Tutorials
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<strong>Final</strong> <strong>Exam</strong> Answers just a click away <strong>QNT</strong> <strong>561</strong> Complete Assignment<br />
23. An experimental study is one that _____.<br />
a) attempts to reveal why or how one variable produces changes in another<br />
b) involves manipulation of one or more variables to determine the effect on another<br />
variable<br />
c) attempts to capture a population's characteristics by making inferences from a sample's<br />
characteristics and testing resulting hypotheses<br />
d) discovers answers to the questions who, what, when, where, or how much<br />
24. The monthly salaries of a sample of 100 employees were rounded to the nearest $10.<br />
They ranged from a low of $1,040 to a high of $1,720. If we want to condense the data into<br />
seven classes, what is the most convenient class interval?<br />
a) $200<br />
b) $50<br />
c) $150<br />
d) $100<br />
Quiz Answers just a click away <strong>QNT</strong> <strong>561</strong> <strong>Final</strong> <strong>Exam</strong> (Latest)<br />
25. Consider a regression analysis, where the correlation coefficient is 0.18. Then, the<br />
coefficient of determination is _______.<br />
a) .0324<br />
b) .36<br />
c) 1.16<br />
d) .424<br />
26. In multiple regression analysis, when the independent variables are highly correlated, this<br />
situation is called __________________.<br />
a) homoscedasticity