Stats Chapter 3

Flashcard
•
Mathematics
•
12th Grade
•
Hard
+3
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15 questions
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1.
FLASHCARD QUESTION
Front
What does a correlation coefficient of r = 0.3 indicate about the data?
Back
Weak positive correlation.
Tags
CCSS.HSS.ID.B.5
2.
FLASHCARD QUESTION
Front
What is the Coefficient of Determination?
Back
r squared.
Tags
CCSS.HSS.ID.B.6B
3.
FLASHCARD QUESTION
Front
Calculate the linear regression equation for the following data: y = 1.5x + 12.
Back
y = 1.5x + 12.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
Using the linear regression equation y = 61.93x - 1.79, predict the distance traveled after 10 hours.
Back
617.5 miles.
Tags
CCSS.8.EE.C.8C
5.
FLASHCARD QUESTION
Front
Calculate the linear regression equation for the data: y = 61.93x - 1.79.
Back
y = 61.93x - 1.79.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
What is the meaning of a strong positive correlation?
Back
A strong positive correlation indicates that as one variable increases, the other variable also increases significantly.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
What does the slope in a linear regression equation represent?
Back
The slope represents the rate of change of the dependent variable with respect to the independent variable.
Tags
CCSS.8.EE.B.5
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