Mean, Median, Mode, and Range

Front

What is the definition of Mean?

Back

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

Front

How do you calculate the Median?

Back

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

Front

What is Mode?

Back

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

Front

How do you find the Range of a data set?

Back

The range is calculated by subtracting the smallest number in the data set from the largest number.

Front

Calculate the Mean of the following scores: 155, 165, 138, 172, 127, 193, 142.

Back

Mean = (155 + 165 + 138 + 172 + 127 + 193 + 142) / 7 = 155.

Front

What is the Median of the following data set: 36, 42, 28, 52, 48, 36, 31?

Back

Median = 36 (after arranging the numbers in order: 28, 31, 36, 36, 42, 48, 52).

Front

Find the Mode of the following numbers: 12, 10, 10, 10, 13, 12, 11, 13, 10.

Back

Mode = 10 (it appears most frequently).

Front

What is the Range of the following data set: 7, 1, 6, 9, 4, 6, 2?

Back

Range = 9 - 1 = 8.

Front

If a data set has no repeating numbers, what can you say about the Mode?

Back

If there are no repeating numbers, the data set has no mode.

Front

What is the importance of understanding Mean, Median, Mode, and Range?

Back

These measures of central tendency and dispersion help summarize and analyze data, making it easier to understand and interpret.