Flashback Median

Front

What is the median?

Back

The median is the middle value in a set of numbers when they are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.

Front

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

Back

1. Arrange the numbers in ascending order. 2. If the number of values is odd, the median is the middle number. 3. If the number of values is even, the median is the average of the two middle numbers.

Front

Find the median for the set of numbers: 17, 24, 8, 19, 6, 34, 10, 28, 48, 12.

Back

18

Front

What is the mode?

Back

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

Front

Find the mode of this data set: 67, 74, 95, 98, 98, 99, 102.

Back

98

Front

What is the range of a data set?

Back

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

Front

Calculate the range for the data set: 36, 42, 28, 52, 48, 36, 31.

Back

The range is 52 - 28 = 24.

Front

What is the average (mean)?

Back

The average (mean) is calculated by adding all the numbers in a data set and dividing by the total number of values.

Front

Find the average of the numbers: 10, 20, 30, 40, 50.

Back

The average is (10 + 20 + 30 + 40 + 50) / 5 = 30.

Front

What is a data set?

Back

A data set is a collection of numbers or values that can be analyzed.