
forecasting 2

Quiz
•
Special Education
•
12th Grade
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is regression used for?
Identifying the functional relationship between variables
Counting the number of observations
Calculating the mean of a dataset
Sorting data in alphabetical order
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In linear regression, what does the dependent variable represent?
The variable that is not related to other variables
The variable that is constant
The variable that causes the results observed in the past
The variable that is predicted
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the slope of the regression line represent?
The rate of change in the dependent variable for a unit change in the independent variable
The average of the dependent variable
The intercept with the Y axis
The standard error of the regression
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What function in Excel gives the slope of a regression line?
Trend()
Intercept()
Regression()
Slope()
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the coefficient of determination (R^2) measure?
The correlation between two independent variables
How close the data are to the regression line
The number of data points in the dataset
The standard deviation of the dependent variable
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the dependent variable in the given table of demand during 7 quarters?
Actual Demand
Quarter
Slope
Intercept
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the 95% Confidence interval for the intercept in the regression analysis?
45.94 to 0.75
7.43 to 0.00
0.82 to 1.68
32.64 to 36.51
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