Data & Statistics

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a random sample?
Back
A random sample is a subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.
2.
FLASHCARD QUESTION
Front
What is the median in a data set?
Back
The median is the middle value when the numbers are arranged in order. If there is an even number of observations, the median is the average of the two middle numbers.
3.
FLASHCARD QUESTION
Front
What does a box plot represent?
Back
A box plot visually displays the distribution of a data set, showing the median, quartiles, and potential outliers.
4.
FLASHCARD QUESTION
Front
What is variability in statistics?
Back
Variability refers to how spread out or closely clustered the data points are in a data set.
5.
FLASHCARD QUESTION
Front
What is the mode of a data set?
Back
The mode is the value that appears most frequently in a data set.
6.
FLASHCARD QUESTION
Front
How do you find the range of a data set?
Back
The range is found by subtracting the smallest value from the largest value in the data set.
7.
FLASHCARD QUESTION
Front
What is a dot plot?
Back
A dot plot is a simple way to display data using dots to represent individual data points along a number line.
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