Algebra I IM Unit 3: Two-Variable Statistics Review

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is relative frequency?
Back
Relative frequency is the ratio of the number of times an event occurs to the total number of trials or observations, often expressed as a percentage.
2.
FLASHCARD QUESTION
Front
What does a positive correlation coefficient indicate?
Back
A positive correlation coefficient indicates that as one variable increases, the other variable also increases.
3.
FLASHCARD QUESTION
Front
In the equation y=mx+b, what does 'm' represent?
Back
In the equation y=mx+b, 'm' represents the slope of the line.
4.
FLASHCARD QUESTION
Front
What is the purpose of a line of best fit?
Back
The purpose of a line of best fit is to make predictions based on the data points in a scatter plot.
5.
FLASHCARD QUESTION
Front
What type of association does a scatter plot with a downward trend show?
Back
A scatter plot with a downward trend shows a negative linear association.
6.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that displays values for typically two variables for a set of data.
7.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a linear equation?
Back
The y-intercept represents the value of y when x is zero in a linear equation.
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