What type of correlation exists between the outside temperature and the amount of layers you wear?

Unit 3 Linkit Review

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•
Mathematics
•
9th - 12th Grade
•
Hard
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9 questions
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1.
FLASHCARD QUESTION
Front
Back
Negative correlation: As the temperature increases, the number of layers worn decreases.
2.
FLASHCARD QUESTION
Front
What is the equation of the line with a slope of -2.2 and a y-intercept of 5?
Back
y = -2.2x + 5
3.
FLASHCARD QUESTION
Front
What is the r-value for the line of best fit with the equation y = -2.2x + 5?
Back
r = -0.942
4.
FLASHCARD QUESTION
Front
The difference between two terms in an arithmetic sequence is called ___________________.
Back
Common Difference
5.
FLASHCARD QUESTION
Front
Which of the following best describes a positive correlation?
Back
As one variable increases, the other variable also increases.
6.
FLASHCARD QUESTION
Front
What is the equation of a horizontal line at y = 1?
Back
y = 1
7.
FLASHCARD QUESTION
Front
What is the definition of a negative correlation?
Back
A relationship where one variable increases as the other decreases.
8.
FLASHCARD QUESTION
Front
What does the slope of a line represent in a graph?
Back
The rate of change of the dependent variable with respect to the independent variable.
9.
FLASHCARD QUESTION
Front
What is the formula for finding the slope (m) between two points (x1, y1) and (x2, y2)?
Back
m = (y2 - y1) / (x2 - x1)
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