
Semester 1 Final Review
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is correlation in statistics?
Back
Correlation measures the strength and direction of a linear relationship between two variables. A correlation can be positive, negative, or zero.
2.
FLASHCARD QUESTION
Front
What does it mean if two variables have no correlation?
Back
It means that there is no predictable relationship between the two variables; changes in one variable do not affect the other.
3.
FLASHCARD QUESTION
Front
Write the equation for a horizontal line where the y-value is 1.
Back
The equation is y = 1.
4.
FLASHCARD QUESTION
Front
Back
5.
FLASHCARD QUESTION
Front
How do you find the slope of a line in a graph?
Back
The slope is calculated as the change in y divided by the change in x (rise/run). It represents the rate of change.
6.
FLASHCARD QUESTION
Front
What does a negative slope indicate about a line?
Back
A negative slope indicates that as one variable increases, the other variable decreases.
7.
FLASHCARD QUESTION
Front
What is the equation for '12 less than a number is -3'?
Back
The equation is n - 12 = -3.
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