Mean, Median, Mode, Range, IQR and MAD

Front

What is the mode of a set of numbers?

Back

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

Front

Find the mode for the following numbers: 3, 3, 0, 2, 2, 2, 5, 5, 8, 4.

Back

The mode is 2.

Front

How do you find the range of a data set?

Back

The range is found by subtracting the minimum value from the maximum value.

Front

What is the mean of a set of numbers?

Back

The mean is found by adding all the numbers together and then dividing by the total count of numbers.

Front

Find the mean of the following numbers: 89, 103, 95, 97, 95, 85, 84, 87, 84.

Back

The mean is 91.

Front

What is the median of a set of numbers?

Back

The median is the middle number when the numbers are arranged in order.

Front

How do you calculate the interquartile range (IQR)?

Back

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

Front

What does MAD stand for in statistics?

Back

MAD stands for Mean Absolute Deviation, which measures the average distance between each data point and the mean.

Front

Find the mode of the following wins: 89, 103, 95, 97, 95, 85, 84, 87, 84.

Back

The modes are 84 and 95.

Front

What is the first step in finding the mean?

Back

The first step is to find the sum of all the data points.