MEan, Median, Mode, Range, & Quartile Test

Front

What is the mean of a set of numbers?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the total count of numbers.

Front

How do you find the median in a set of numbers?

Back

To find the median, arrange the numbers in order and identify the middle number. If there are two middle numbers, add them together and divide by 2.

Front

What is the mode of a set of numbers?

Back

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

Front

What is the range of a set of numbers?

Back

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

Front

What is a quartile?

Back

A quartile is a type of quantile that divides a data set into four equal parts.

Front

How do you find the upper quartile (Q3)?

Back

To find Q3, arrange the data in ascending order and find the median of the upper half of the data.

Front

What is the lower quartile (Q1)?

Back

Q1 is the median of the lower half of a data set, dividing the lowest 25% of the data from the rest.

Front

Given the data: 2, 4, 6, 8, 10, what is the mean?

Back

The mean is 6.

Front

Given the data: 1, 2, 2, 3, 4, 5, what is the mode?

Back

The mode is 2.

Front

Given the data: 10, 20, 30, 40, 50, what is the range?

Back

The range is 40 (50 - 10).