AP Stats Semester 1 Review

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+5
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, representing the center of the distribution.
Tags
CCSS.6.SP.B.5D
CCSS.HSS.ID.A.2
2.
FLASHCARD QUESTION
Front
What is the standard deviation in a normal distribution?
Back
The standard deviation measures the amount of variation or dispersion in a set of values.
3.
FLASHCARD QUESTION
Front
How do you find the area under the normal curve to the left of a given z-score?
Back
Use a standard normal distribution table or calculator to find the cumulative probability associated with the z-score.
Tags
CCSS.HSS.ID.A.4
4.
FLASHCARD QUESTION
Front
What does a z-score represent?
Back
A z-score indicates how many standard deviations an element is from the mean of the distribution.
5.
FLASHCARD QUESTION
Front
What is the 60th percentile in a data set?
Back
The 60th percentile is the value below which 60% of the data falls.
Tags
CCSS.6.SP.B.5C
6.
FLASHCARD QUESTION
Front
What is a convenience sampling method?
Back
Convenience sampling involves selecting individuals who are easiest to reach, rather than using a random selection.
Tags
CCSS.HSS.IC.B.3
7.
FLASHCARD QUESTION
Front
What is the formula for calculating a z-score?
Back
Z = (X - μ) / σ, where X is the value, μ is the mean, and σ is the standard deviation.
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