Statistics Review
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+6
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the median in a data set?
Back
The median is the middle value when the data set is ordered from least to greatest. If there is an even number of values, the median is the average of the two middle numbers.
Tags
CCSS.6.SP.B.5C
2.
FLASHCARD QUESTION
Front
How do you calculate the mean of a set of numbers?
Back
To calculate the mean, add all the numbers together and then divide by the total count of numbers.
Tags
CCSS.6.SP.B.5C
3.
FLASHCARD QUESTION
Front
What is a biased sample?
Back
A biased sample is a sample that does not accurately represent the population from which it is drawn, leading to skewed results.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
4.
FLASHCARD QUESTION
Front
What is an unbiased sample?
Back
An unbiased sample is a sample that accurately represents the population, allowing for valid conclusions to be drawn.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
5.
FLASHCARD QUESTION
Front
What is the interquartile range (IQR)?
Back
The interquartile range (IQR) is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set, representing the range of the middle 50% of the data.
Tags
CCSS.6.SP.B.5C
6.
FLASHCARD QUESTION
Front
What is a survey in statistics?
Back
A survey is a method of collecting data by asking people questions to gather information about their opinions, behaviors, or characteristics.
Tags
CCSS.6.SP.B.5B
7.
FLASHCARD QUESTION
Front
What is the purpose of conducting a survey?
Back
The purpose of conducting a survey is to gather information and insights from a group of people to understand trends, preferences, or behaviors.
Tags
CCSS.6.SP.B.5B
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