Range & IQR

Front

What is the definition of Range in statistics?

Back

The range is the difference between the highest and lowest values in a data set.

Front

How do you calculate the Range?

Back

Range = Maximum value - Minimum value.

Front

What is the definition of Interquartile Range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set.

Front

How do you calculate the Interquartile Range (IQR)?

Back

IQR = Q3 - Q1.

Front

What does the first quartile (Q1) represent?

Back

Q1 is the median of the lower half of the data set, representing the 25th percentile.

Front

What does the third quartile (Q3) represent?

Back

Q3 is the median of the upper half of the data set, representing the 75th percentile.

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.

Front

How do you find the median of a data set with an odd number of values?

Back

For an odd number of values, the median is the middle number in the ordered list.

Front

How do you find the median of a data set with an even number of values?

Back

For an even number of values, the median is the average of the two middle numbers in the ordered list.

Front

What is an outlier in a data set?

Back

An outlier is a value that is significantly higher or lower than the other values in the data set.