
Regression Analysis and Correlation Concepts

Interactive Video
•
Mathematics, Computers, Business
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main limitation of using scatter plots to determine relationships between variables?
They can only detect obvious relationships.
They require advanced statistical software.
They can only show linear relationships.
They are not visually appealing.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a positive correlation between two variables indicate?
The variables are unrelated.
There is no relationship between the variables.
Both variables move in the same direction.
One variable increases while the other decreases.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of negative correlation?
Temperature and ice cream sales
Height and weight
Investment and profit
Price and demand
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correlation coefficient used to measure?
The difference between two variables
The strength of the connection between two variables
The sum of two variables
The average of two variables
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which Excel function is used to calculate the correlation coefficient?
SUM
VLOOKUP
AVERAGE
CORREL
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of regression analysis?
To determine the median of two variables
To calculate the sum of two variables
To establish a functional relationship between variables for future predictions
To find the average of two variables
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a regression equation, what does the coefficient of the independent variable represent?
The change in the dependent variable for a unit change in the independent variable
The median value of the independent variable
The total sum of the variables
The average value of the dependent variable
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