If correlation analysis is used to determine whether a relationship exists between two variables, what is regression analysis for?
Regression Analysis
11th Grade
•15 Qs
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Regression Analysis
Quiz
•
Mathematics
•
11th Grade
•
Medium
EMS CORREA
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To determine if there is a positive correlation between the variables.
To predict the value of independent variable given the dependent variable.
To determine whether the relationship between the variables is significant.
To predict the value of dependent variable given the independent variable.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not true about the regression line?
It is the line of the best fit.
It is the line closest to the points.
It is the trend line.
It is the line closest to dependent variable.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the equation of a line: y = -5x + 6, what is the value of y when x = 8?
34
-34
0.4
-0.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the equation of a line: y = 9x/2 - 6, which of the following is the slope?
9
6
9/2
-6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the equation of a line: y = 9x/2 - 6, which of the following is the y-intercept?
9
6
9/2
-6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A physicist studied the relationship of altitude and gravitational acceleration. Which of the following is true about their correlation?
They are negatively correlated.
They are positively correlated.
They are not correlated.
None of these.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A physicist studied the relationship of altitude and gravitational acceleration. Which of the following is the dependent variable?
altitude
gravitational acceleration
cannot determine
can be both
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