Measures of Central Tendency

Front

What is the mode?

Back

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

Front

What is the minimum value in a data set?

Back

The minimum value is the smallest number in a data set.

Front

How do you find the Lower Quartile (Q1)?

Back

The Lower Quartile (Q1) is the median of the lower half of a data set.

Front

What is the median?

Back

The median is the middle value of a data set when it is ordered from least to greatest.

Front

How do you calculate the mean?

Back

The mean is calculated by adding all the numbers in a data set and dividing by the count of numbers.

Front

What is the Upper Quartile (Q3)?

Back

The Upper Quartile (Q3) is the median of the upper half of a data set.

Front

What does it mean if a data set has two modes?

Back

A data set with two modes is called bimodal, indicating two values appear with the highest frequency.

Front

What is a data set?

Back

A data set is a collection of numbers or values that can be analyzed.

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

How do you identify outliers in a data set?

Back

Outliers are values that are significantly higher or lower than the rest of the data.