AP Stats Semester 1 Review Warm Up #1
Flashcard
•
Mathematics
•
11th - 12th Grade
•
Practice Problem
•
Hard
+6
Standards-aligned
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the equation of the Least Squares Regression Line (LSRL)?
Back
The LSRL is a linear equation that best fits a set of data points in a scatterplot, minimizing the sum of the squares of the vertical distances (residuals) from the points to the line.
Tags
CCSS.HSS.ID.C.8
2.
FLASHCARD QUESTION
Front
What is a residual in statistics?
Back
A residual is the difference between the observed value and the predicted value given by a regression model. It indicates how far off a prediction is from the actual data.
Tags
CCSS.HSS.ID.B.6B
3.
FLASHCARD QUESTION
Front
What does standard deviation measure in a data set?
Back
Standard deviation measures the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean, while a high standard deviation indicates that the values are spread out over a wider range.
4.
FLASHCARD QUESTION
Front
What is the 87th percentile in a normal distribution?
Back
The 87th percentile is the value below which 87% of the data falls. In a normal distribution, it can be found using the mean and standard deviation.
Tags
CCSS.HSS.ID.A.4
5.
FLASHCARD QUESTION
Front
What is the purpose of an experimental design?
Back
An experimental design is a plan for a controlled experiment that aims to test a hypothesis by manipulating one or more variables while keeping others constant.
Tags
CCSS.HSS.IC.B.3
6.
FLASHCARD QUESTION
Front
What does it mean for a variable to be confounded with another variable?
Back
Confounding occurs when the effects of two or more variables are mixed together, making it difficult to determine the individual effect of each variable.
Tags
CCSS.HSS.IC.B.3
7.
FLASHCARD QUESTION
Front
How do you calculate the mean of a data set?
Back
The mean is calculated by adding all the values in the data set and dividing by the number of values.
Tags
CCSS.6.SP.B.5C
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