Line of Best Fit.
Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the line of best fit?
Back
The line of best fit is a straight line that best represents the data on a scatter plot, showing the trend of the data points.
Tags
CCSS.8.EE.B.5
2.
FLASHCARD QUESTION
Front
What does a positive correlation indicate?
Back
A positive correlation indicates that as one variable increases, the other variable also tends to increase.
Tags
CCSS.HSS.ID.B.5
3.
FLASHCARD QUESTION
Front
What does a negative correlation indicate?
Back
A negative correlation indicates that as one variable increases, the other variable tends to decrease.
Tags
CCSS.HSS.ID.B.5
4.
FLASHCARD QUESTION
Front
What does it mean if there is no correlation between two variables?
Back
If there is no correlation, it means that there is no predictable relationship between the two variables.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
How can you visually identify the line of best fit on a scatter plot?
Back
The line of best fit can be visually identified as the line that minimizes the distance between itself and all the data points on the scatter plot.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
What is the purpose of the line of best fit in data analysis?
Back
The purpose of the line of best fit is to make predictions about one variable based on the value of another variable.
Tags
CCSS.8.EE.B.5
7.
FLASHCARD QUESTION
Front
What is the formula for calculating the slope of the line of best fit?
Back
The slope (m) of the line of best fit can be calculated using the formula m = (NΣxy - ΣxΣy) / (NΣx^2 - (Σx)^2), where N is the number of data points.
Tags
CCSS.8.EE.B.5
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