What is the Interquartile Range (IQR)?
APA 8A Review

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Mathematics
•
6th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The Interquartile Range (IQR) is a measure of statistical dispersion, representing the range between the first quartile (Q1) and the third quartile (Q3) in a data set.
2.
FLASHCARD QUESTION
Front
How do you determine 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 is a box-and-whisker plot?
Back
A box-and-whisker plot is a graphical representation of a data set that displays the minimum, first quartile, median, third quartile, and maximum.
4.
FLASHCARD QUESTION
Front
What does it mean if a line is an accurate line of best fit?
Back
A line of best fit accurately represents the trend of the data points in a scatter plot, minimizing the distance between the line and all data points.
5.
FLASHCARD QUESTION
Front
What is the mean absolute deviation (MAD)?
Back
The mean absolute deviation (MAD) is the average of the absolute differences between each data point and the mean of the data set.
6.
FLASHCARD QUESTION
Front
How do you calculate the mean of a data set?
Back
To calculate the mean, add all the values together and divide by the number of values.
7.
FLASHCARD QUESTION
Front
What is the significance of the median in a data set?
Back
The median provides a measure of central tendency that is less affected by outliers than the mean.
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