Effects of Changes on Central Tendency

Front

What is the Mode in a set of numbers?

Back

The Mode is the number that appears most often in a data set.

Front

What is the Median in a set of numbers?

Back

The Median is the middle number of a data set when the numbers are arranged in order from least to greatest.

Front

What is the Mean in a set of numbers?

Back

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

Front

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

Back

Yes, a data set can have more than one Mode if multiple numbers appear with the same highest frequency.

Front

What is the Range in a set of numbers?

Back

The Range is the difference between the highest and lowest values in a data set.

Front

How do you calculate the Mean of a set of numbers?

Back

To find the Mean, add all the numbers together and divide by the total number of values.

Front

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

Back

If a data set has no Mode, it means that no number appears more than once.

Front

What is the first step to find the Median?

Back

The first step to find the Median is to arrange the numbers in ascending order.

Front

If a data set has an even number of values, how do you find the Median?

Back

If there is an even number of values, the Median is the average of the two middle numbers.

Front

What is an example of a data set with a Mode?

Back

In the data set {2, 3, 4, 4, 5}, the Mode is 4 because it appears most frequently.