
AP Stats Semester Review
Flashcard
•
Mathematics
•
11th - 12th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a histogram?
Back
A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges (bins).
Tags
CCSS.6.SP.B.4
CCSS.HSS.ID.A.1
2.
FLASHCARD QUESTION
Front
What does the median represent in a data set?
Back
The median is the middle value of a data set when it is ordered from least to greatest. It divides the data into two equal halves.
Tags
CCSS.6.SP.B.5C
3.
FLASHCARD QUESTION
Front
What is a z-score?
Back
A z-score indicates how many standard deviations an element is from the mean of the data set. It is calculated as (X - μ) / σ, where X is the value, μ is the mean, and σ is the standard deviation.
4.
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 is sorted. The mean can be affected by outliers, whereas the median is more robust.
Tags
CCSS.6.SP.B.5D
CCSS.HSS.ID.A.2
5.
FLASHCARD QUESTION
Front
What does it mean if a distribution is approximately normally distributed?
Back
An approximately normal distribution is symmetric and bell-shaped, with most data points clustering around the mean and fewer points as you move away from the mean.
6.
FLASHCARD QUESTION
Front
What is the purpose of using control groups in experiments?
Back
Control groups are used to establish a baseline for comparison, helping to isolate the effect of the independent variable on the dependent variable.
Tags
CCSS.HSS.IC.B.3
7.
FLASHCARD QUESTION
Front
What is the significance of standard deviation in statistics?
Back
Standard deviation measures the amount of variation or dispersion in 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 more spread out values.
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