Measures of Central Tendency Flashcard

Front

What is the mode of a set of numbers?

Back

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

Front

What is the median of a set of numbers?

Back

The median is the middle number in a sorted list of numbers.

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 count of numbers.

Front

How do you find the mode in a data set?

Back

To find the mode, identify the number that occurs most frequently in the data set.

Front

How do you find the median in a data set with an odd number of values?

Back

Sort the numbers in ascending order and select the middle number.

Front

How do you find the median in a data set with an even number of values?

Back

Sort the numbers in ascending order and calculate the average of the two middle numbers.

Front

What is an example of a mode in the data set 1, 2, 2, 3, 4?

Back

The mode is 2, as it appears most frequently.

Front

What is an example of a median in the data set 3, 5, 7, 9, 11?

Back

The median is 7, as it is the middle number when sorted.

Front

What is an example of a mean in the data set 2, 4, 6, 8?

Back

The mean is (2+4+6+8)/4 = 5.

Front

What does it mean if a data set has no mode?

Back

It means that no number appears more than once in the data set.