Mean, Median, Mode

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 number of items.

Front

How do you find the median of a data set?

Back

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

Front

If the data set is 12, 10, 10, 10, 13, 12, 11, 13, 10, what is the mode?

Back

The mode is 10.

Front

What does it mean if a score is the mode in a test?

Back

It means that more students received that score than any other score.

Front

How do you calculate the mean of the numbers 36, 42, 28, 52, 48, 36, 31?

Back

Add all the numbers (36 + 42 + 28 + 52 + 48 + 36 + 31 = 273) and divide by the number of items (7). The mean is 39.

Front

What is the median of the numbers 36, 42, 28, 52, 48, 36, 31?

Back

First, arrange the numbers in order: 28, 31, 36, 36, 42, 48, 52. The median is 36.

Front

What is the difference between mean and median?

Back

The mean is the average of all numbers, while the median is the middle value when the numbers are arranged in order.

Front

In a data set, if the mean is significantly higher than the median, what does that indicate?

Back

It indicates that there may be outliers or extreme values affecting the mean.

Front

What is the median of the following data set: 95, 97, 96, 98, 94?

Back

Arrange the numbers: 94, 95, 96, 97, 98. The median is 96.