Averages and Data Types

What is the mean of a data set?

• The highest value in the set

• The sum of all values divided by their number

• The middle value in an ordered set

• The most frequent value

Which average is best for categorical data?

• Range

• Median

• Mode

• Mean

Why is the median often preferred for ordinal data?

• It is less affected by outliers

• It is the most frequent value

• It is easier to calculate

• It is the highest value

What happens to the mean when there are outliers?

• It becomes more accurate

• It can change significantly

• It remains the same

• It becomes the median

Which average should be used for skewed interval data?

• None of the above

• Mean

• Median

• Mode