Critical Concepts & Data Analysis

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 standard deviation?
Back
Standard deviation is a measure of the amount of variation or dispersion in a set of values. A low standard deviation means 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.
2.
FLASHCARD QUESTION
Front
How do you determine if a sample is biased?
Back
A sample is biased if it does not accurately represent the population from which it is drawn. For example, surveying only people leaving a bicycle repair store would likely result in a biased sample regarding opinions on bike paths.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
3.
FLASHCARD QUESTION
Front
What is the mean?
Back
The mean is the average of a set of numbers, calculated by adding all the values together and dividing by the number of values.
Tags
CCSS.6.SP.B.5C
4.
FLASHCARD QUESTION
Front
What is the median?
Back
The median is the middle value in a data set when the numbers are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.
Tags
CCSS.6.SP.B.5C
5.
FLASHCARD QUESTION
Front
What is the mode?
Back
The mode is the value that appears most frequently in a data set. A set of numbers may have one mode, more than one mode, or no mode at all.
Tags
CCSS.6.SP.B.5C
6.
FLASHCARD QUESTION
Front
What is the range of a data set?
Back
The range is the difference between the highest and lowest values in a data set. It gives a measure of how spread out the values are.
Tags
CCSS.6.SP.B.4
CCSS.HSS.ID.A.1
7.
FLASHCARD QUESTION
Front
What is an outlier?
Back
An outlier is a data point that differs significantly from other observations in a data set. Outliers can skew the results of statistical analyses.
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