AP Stats unit 1 Review
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the mean in a normal distribution?
Back
The mean is the average value of a set of data points, representing the center of the distribution.
Tags
CCSS.6.SP.B.5D
CCSS.HSS.ID.A.2
2.
FLASHCARD QUESTION
Front
What does standard deviation measure in a dataset?
Back
Standard deviation measures the amount of variation or dispersion of a set of values.
3.
FLASHCARD QUESTION
Front
What is a percentile?
Back
A percentile is a measure used to indicate the value below which a given percentage of observations in a group of observations falls.
Tags
CCSS.6.SP.B.5C
4.
FLASHCARD QUESTION
Front
How do you find the 75th percentile in a normal distribution?
Back
To find the 75th percentile, you can use the formula: P = mean + (z * standard deviation), where z is the z-score corresponding to the 75th percentile.
Tags
CCSS.HSS.ID.A.4
5.
FLASHCARD QUESTION
Front
What does it mean if a distribution is skewed left?
Back
A left-skewed distribution has a longer tail on the left side, indicating that the majority of the data points are concentrated on the right.
6.
FLASHCARD QUESTION
Front
What is a dot plot?
Back
A dot plot is a simple visual representation of data where each data point is represented by a dot above a number line.
Tags
CCSS.6.SP.B.4
CCSS.HSS.ID.A.1
7.
FLASHCARD QUESTION
Front
What is the difference between mean and median?
Back
The mean is the average of all data points, while the median is the middle value when the data points are arranged in order.
Tags
CCSS.6.SP.B.5C
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