Scatterplots
Flashcard
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks. The scatter plot shows the results. Which statement is true?
Back
More ticket writers results in more tickets issued.
2.
FLASHCARD QUESTION
Front
This scatterplot could show the relationship between which two variables? Options: speed of an airplane (x) vs. distance traveled in one hour (y), outside air temperature (x) vs. air-conditioning costs (y), age of an adult (x) vs. height of an adult (y), distance traveled (x) vs. gas remaining in the tank (y)
Back
distance traveled (x) vs. gas remaining in the tank (y)
3.
FLASHCARD QUESTION
Front
Explanatory variable in the relationship between seeds planted and fruit grown.
Back
The number of seeds planted
4.
FLASHCARD QUESTION
Front
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.
- The response variable is also known as the predictor variable.
- The explanatory variable is used to explain or predict the value of the response variable.
Back
The explanatory variable is used to explain or predict the value of the response variable.
5.
FLASHCARD QUESTION
Front
What is the response variable (RV) when investigating the relationship between time spent shopping and the number of items bought?
Back
The number of items bought
6.
FLASHCARD QUESTION
Front
Is there a correlation between the two variables? If so, is it strong or weak?
Back
Yes Correlation. Strong.
7.
FLASHCARD QUESTION
Front
What does it mean to have a negative correlation?
Back
Your response variable decreases as your explanatory variable increases
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