Mean, Median, Mode, Range

Front

What is the definition of 'mean'?

Back

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

Front

What is the definition of 'median'?

Back

The median is the middle number in a sorted list of numbers. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What is the definition of 'mode'?

Back

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

Front

What is the definition of 'range'?

Back

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

Front

How do you calculate the mean of a set of numbers?

Back

To calculate the mean, sum all the numbers in the set and then divide by the total count of numbers.

Front

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

Back

To find the median, first sort the numbers in ascending order, then identify the middle number. If there are two middle numbers, calculate their average.

Front

What is the mode of the following set of numbers: 1, 2, 2, 3, 4?

Back

The mode is 2, as it appears most frequently in the set.

Front

Can a set of numbers have more than one mode?

Back

Yes, a set can have multiple modes if two or more numbers appear with the same highest frequency.

Front

What is the range of the following numbers: 10, 5, 15, 20?

Back

The range is 15, calculated as 20 (highest) - 5 (lowest).

Front

If a set of numbers is: 3, 7, 7, 2, 5, what is the mode?

Back

The mode is 7, as it appears most frequently.