Stats Exam
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
+8
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the probability of x < 13 if the mean is 10 and variance is 4?
Back
0.9332
Tags
CCSS.HSS.ID.A.4
2.
FLASHCARD QUESTION
Front
What does a segmented bar graph represent?
Back
A segmented bar graph visually represents the proportion of different categories within a whole, such as the number of lollipops sold in different flavors.
3.
FLASHCARD QUESTION
Front
What does a linear regression analysis predict?
Back
It predicts the relationship between two variables, showing how one variable changes in relation to another.
Tags
CCSS.8.SP.A.2
4.
FLASHCARD QUESTION
Front
What is a response variable (RV)?
Back
The response variable is the outcome or the variable that is being measured in an experiment, such as the number of items bought.
Tags
CCSS.6.SP.B.5B
5.
FLASHCARD QUESTION
Front
What does a weak positive trend indicate?
Back
A weak positive trend indicates that as one variable increases, the other variable tends to increase slightly, but the relationship is not strong.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
What is the mean in statistics?
Back
The mean is the average of a set of numbers, calculated by dividing the sum of all values by the number of values.
Tags
CCSS.6.SP.B.5C
7.
FLASHCARD QUESTION
Front
What is variance in statistics?
Back
Variance measures how far a set of numbers is spread out from their average value.
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