Mean, Median, Mode, Range

Front

What is the mode in a data set?

Back

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

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, add all the data points together and divide by the number of data points.

Front

Can a data set have more than one mode?

Back

Yes, a data set can have more than one mode if multiple values occur with the same highest frequency.

Front

What is the median in a data set?

Back

The median is the middle value when the data points are arranged in ascending order.

Front

Can a data set have more than one median?

Back

No, a data set can only have one median.

Front

What is the range of a data set?

Back

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

Front

What does it mean if a data set is bimodal?

Back

A bimodal data set has two modes, meaning two values occur with the highest frequency.

Front

What is the significance of the mean in statistics?

Back

The mean provides a measure of central tendency, representing the average of the data set.

Front

How does the presence of outliers affect the mean?

Back

Outliers can significantly skew the mean, making it higher or lower than the central tendency of the majority of the data.

Front

What is the first step in finding the median of a data set?

Back

The first step is to arrange the data points in ascending order.