Comparing Data Distributions
Flashcard
•
Mathematics
•
8th - 10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Interquartile Range (IQR)?
Back
The 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 IQR of a data set?
Back
To find the IQR, subtract Q1 from Q3: IQR = Q3 - Q1.
3.
FLASHCARD QUESTION
Front
What does it mean if a distribution is skewed to the left?
Back
A left-skewed distribution has a longer tail on the left side, indicating that the majority of data points are concentrated on the right.
4.
FLASHCARD QUESTION
Front
What does it mean if a distribution is skewed to the right?
Back
A right-skewed distribution has a longer tail on the right side, indicating that the majority of data points are concentrated on the left.
5.
FLASHCARD QUESTION
Front
What is the median?
Back
The median is the middle value of a data set when it is ordered from least to greatest.
6.
FLASHCARD QUESTION
Front
When is the median a better measure of center than the mean?
Back
The median is a better measure of center when the data set is skewed or contains outliers.
7.
FLASHCARD QUESTION
Front
What is the mean?
Back
The mean is the average of a data set, calculated by adding all values and dividing by the number of values.
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