Mean, Median, Mode, MAD, and IQR

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 of a set of numbers?

Back

To find the median, arrange the numbers in ascending order and identify the middle number. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode of a data set?

Back

The mode is the number that appears most frequently in a data set. A set may have one mode, more than one mode, or no mode at all.

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 of the data set.

Front

How is the Interquartile Range (IQR) calculated?

Back

The IQR is calculated by subtracting the first quartile (Q1) from the third quartile (Q3) in a data set, representing the range of the middle 50% of the data.

Front

Find the mean of the numbers: 4, 9, 7, 10, 5.

Back

7

Front

Find the median for the set of numbers: 41, 13, 21, 83, 54, 37, 18, 66, 72.

Back

41

Front

What is the mode of the following data set: 1, 2, 2, 3, 7?

Back

2

Front

What is the mode of the following data set: 5, 7, 7, 8, 12, 12, 5, 6, 13, 12?

Back

12

Front

Find the median for the set of numbers: 23, 37, 11, 58, 13, 45.

Back

30