BESC 3010 chapter 3

Which measure of central tendency is most appropriate for skewed distributions?

Median

Which of the measures is the least affected by outliers

Median

In a negatively skewed distribution, which measurable generally have the highest value?

Mode

Which measure of central tendency is least efficient

Mode

Which measure of central tendency works for nominal variables?

Mode

When a histogram or polygon chart for a quantitative variable has two distinct peaks call, then the distribution is referred to as ____

Bimodal

What is the mean for this data set? 3, 1, 2, 5+, 2, 4

Cannot be calculated

What is the minimum level of measurement needed to calculate the mean?

Interval

In a positively skewed distribution, which measure will generally have the highest value?

Mean

Which measure of central tendency is most affected by outliers?

Mean

Which measure of central tendency is most influenced by outliers?

Mean

What is the minimum level of measurement needed to calculate the mode?

Nominal

Mode?

Number that occurs most frequently

What is the minimum level of measurement needed to calculate the median

Ordinal