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7A: Response and Explanatory Variables
By Chloe MARSHALL-KREIN
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Last updated almost 4 years ago
6 questions
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Question 1
1.
The response variable is:
Sometimes called the independent variable (IV)
None of the above
Also known as EV
Question 2
2.
We wish to investigate the relationship between the number seeds planted in a garden and the number of fruit grown. The explanatory variable (EV) is:
The number of fruit grown
The amount of soil in the garden
Question 3
3.
We wish to investigate the relationship between the time spent shopping and the number of items bought. The response variable (RV) is:
The number of items bought
None of the above
Question 4
4.
Which of the following is true?
We use the response variable to explain changes that might be observed in the explanatory variable.
The explanatory variable is the variable we expect to be explained by the response variable
Question 5
5.
We wish to investigate whether a person’s age can be predicted from their IQ score. Which is the explanatory variable (EV)?
None of the Above
Age
Not Sure
Question 6
6.
Studies have shown that the marks received by a student depend on the amount of hours spent studying. Which is the response variable (RV)?
Hours spent studying
None of the above
Not sure
The variable we expect to explain or predict the value of the explanatory variable.
The variable we expect to change in response to the explanatory variable
None of the above
The number of hours spent watering the plants
The number of seeds planted
The time spent getting to the shops
The number of items at the shop
The time spent shopping
None of the above
The explanatory variable is used to explain or predict the value of the response variable
The response variable is also known as the predictor variable
IQ Score
Both Age and IQ Score
Marks
Both Marks and Hours spent studying