Scatterplots & Linear Regression
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
What is the correlation between length of running start and distance of jump? Options: positive: the further you run the further you jump, negative: the less you run the less distance of your jump, positive: the further your running start the less your distance
Back
positive: the further you run the further you jump
2.
FLASHCARD QUESTION
Front
Predict resting heart rate after 6 hours of exercise a week.
Back
55
3.
FLASHCARD QUESTION
Front
Which scatter plot shows no relationship? Options: Graph A, Graph B, Graph C, Graph D
Back
Graph D
4.
FLASHCARD QUESTION
Front
Interpret the slope of the equation y = 1.5x + 12.
Back
The slope is 1.5. It means that it costs $1.50 per topping.
5.
FLASHCARD QUESTION
Front
What does the y-intercept mean in the context of the problem? (y = 40x + 100, where x is weeks and y is weight in grams)
Back
The predicted weight of the rat at birth.
6.
FLASHCARD QUESTION
Front
About how many male math teachers were there in 2006? Options: 15, 30, 35, 45
Back
35
7.
FLASHCARD QUESTION
Front
Possible line of best fit for the data: y = -5/2x + 20, y = -x + 19, y = x + 20, y = 2/3x + 15
Back
y = -5/2x + 20
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