Algebra I IM Unit 3: Two-Variable Statistics Review

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a line of best fit used for?
Back
To make predictions.
2.
FLASHCARD QUESTION
Front
How many students prefer using pencil more than pen?
Back
60, sixty.
3.
FLASHCARD QUESTION
Front
Which one of these examples is NOT an example of CAUSATION? Kryptonite causes Superman to lose all his powers. Temperatures of less than 32˚F cause water to freeze. Umbrellas cause rainstorms. Stepping on the gas pedal causes a car to move faster.
Back
Umbrellas cause rainstorms.
4.
FLASHCARD QUESTION
Front
What does the correlation coefficient measure in a scatter plot?
Back
The correlation coefficient measures the strength and direction of the linear relationship between two variables.
5.
FLASHCARD QUESTION
Front
What is a correlation coefficient?
Back
Number between -1 and 1 that describes the strength of a relationship.
6.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A graph that shows the relationship between two variables using dots to represent data points.
7.
FLASHCARD QUESTION
Front
What does a positive correlation indicate?
Back
As one variable increases, the other variable also increases.
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