Measures of Center

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 number of items.

Front

What does the mode represent in a set of numbers?

Back

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

Front

What is another word for mean?

Back

Average.

Front

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

Back

To find the median, arrange the numbers in order and identify the middle number. If there are two middle numbers, calculate their average.

Front

What is the mode of the following numbers: 3, 4, 5, 5, 5, 6, 7?

Back

The mode is 5, as it appears most frequently.

Front

If the scores on a test are: 90, 92, 94, 94, 95, what is the mode?

Back

The mode is 94, as it appears more than any other score.

Front

What is the median of the following set of numbers: 1, 2, 3, 4, 5?

Back

The median is 3, as it is the middle number.

Front

How do you calculate the mean of the numbers 2, 4, 6, 8?

Back

Add the numbers (2+4+6+8=20) and divide by the number of items (4). The mean is 5.

Front

What is the median of the following numbers: 3, 5, 7, 4, 3, 1?

Back

The median is 3.5, as the numbers in order are 1, 3, 3, 4, 5, 7.

Front

If the highest score on a test is 99 and the mode is 94, what can we conclude?

Back

More students received a 94 than any other score.