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QMB 3200 Final Exam|All Possible Questions and Answers|Latest December Update|Ace in the QMB 3200 Final|100% Accurate-University of Central Florida$18.49
QMB 3200 Final Exam|All Possible Questions and Answers|Latest
December 2024-2025 Update|Ace in the QMB 3200 Final|100%
Accurate-University of Central Florida
Correct 208
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1 of 208
Term
The term used to describe the case when the independent variables in
a multiple regression model are correlated is
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, stepwise regression. a multiple regression equation.
multicollinearity. sample mean.
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2 of 208
Term
For the case where σ is unknown, which statistic is used to estimate σ?
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S. Mean absolute error
forecast error. S
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3 of 208
Term
A statistics teacher started class one day by drawing the names of 10
students out of a hat and asked them to do as many pushups as they
could. The 10 randomly selected students averaged 15 pushups per
person with a standard deviation of 9 pushups. Suppose the
,distribution of the population of number of pushups that can be done
is approximately normal. Which of the following statements is true?
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A t distribution should be used
H0: u>10, ha: u<10.
because σ is unknown.
A t distribution should be used
The p-value must be doubled.
because the sample size is 10.
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4 of 208
Term
The t value for a 99% confidence interval estimation based upon a
sample of size 10 is
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2.262. 2.576.
3.250. 4.000.
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5 of 208
Term
The method that uses the average of the most recent k data values in
the time series as the forecast for the next period is called:
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Moving averages. Exponential smoothing.
Linear trend regression. Seasonal.
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6 of 208
Definition
if the sample size n is large, then the sampling distribution of the
sample mean can be approximated by a normal distribution.
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