What is the interquartile range (IQR)?
Warm Up 12/16 Unit 4 Lesson 1

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Mathematics
•
6th - 7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The interquartile range (IQR) is a measure of statistical dispersion, representing the range of the middle 50% of a data set. It is calculated as the difference between the third quartile (Q3) and the first quartile (Q1).
2.
FLASHCARD QUESTION
Front
How do you find the median of a data set?
Back
To find the median, arrange the data in ascending order and identify the middle value. If there is an even number of values, the median is the average of the two middle values.
3.
FLASHCARD QUESTION
Front
What does a greater interquartile range indicate?
Back
A greater interquartile range indicates more variability in the middle 50% of the data, suggesting that the data points are more spread out.
4.
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, indicating the spread of the data.
5.
FLASHCARD QUESTION
Front
What does it mean for room prices to be predictable?
Back
Predictable room prices mean that the prices do not vary significantly and are consistent over time, making it easier to anticipate costs.
6.
FLASHCARD QUESTION
Front
How do you compare two data sets based on their median?
Back
To compare two data sets based on their median, find the median of each set and determine which one is higher. The higher median indicates a higher central tendency.
7.
FLASHCARD QUESTION
Front
What is a quartile in statistics?
Back
A quartile is a type of quantile that divides a data set into four equal parts, with each part representing a quarter of the data.
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