Measure of Central Tendency

Front

What is the mean in statistics?

Back

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

Front

Can there be more than one mean in a data set?

Back

No, there can only be one mean for a given data set.

Front

What is the mode in statistics?

Back

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

Front

Can there be more than one mode in a data set?

Back

Yes, a data set can have multiple modes if multiple values appear with the same highest frequency.

Front

What is the median in statistics?

Back

The median is the middle value in a data set when the numbers are arranged in order.

Front

How do you find the median of an odd set of numbers?

Back

To find the median of an odd set, arrange the numbers in order and select the middle number.

Front

How do you find the median of an even set of numbers?

Back

To find the median of an even set, arrange the numbers in order and calculate the average of the two middle numbers.

Front

What is the range of a data set?

Back

The range is the difference between the maximum and minimum values in a data set.

Front

Calculate the range of the following numbers: 45, 56, 23, 74, 63.

Back

The range is 51 (74 - 23 = 51).

Front

What is the formula for calculating the mean?

Back

Mean = (Sum of all values) / (Total number of values).