Mean, Median, Mode, Range, Interquartile Range

Front

What are quartiles?

Back

Quartiles are values that divide a data set into four equal parts, each representing 25% of the data.

Front

How do you find the range of a data set?

Back

The range is found by subtracting the smallest number from the largest number in the data set.

Front

What is the mode of a data set?

Back

The mode is the number that appears most frequently in a data set.

Front

What is the first step to find the median?

Back

The first step to find the median is to list the numbers from least to greatest.

Front

What does IQR stand for?

Back

IQR stands for Interquartile Range, which measures the spread of the middle 50% of a data set.

Front

How do you calculate the IQR?

Back

The IQR is calculated by subtracting the first quartile (Q1) from the third quartile (Q3).

Front

What is the first quartile (Q1)?

Back

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

Front

What is the third quartile (Q3)?

Back

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

Front

If a data set is 1, 2, 3, 4, 5, what is the median?

Back

The median is 3.

Front

In the data set 2, 3, 3, 5, 7, what is the mode?

Back

The mode is 3.