Statistics Vocabulary

The difference between the Upper (Q3) & the Lower (Q1) quartiles in a data set:

• Mode

• Interquartile Range

• Range

A sample in which each individual or object in the entire population has an equal chance of being selected.

• Random Sample

• Mode

• Unbiased Sample

A part of the population.

• Outlier.

• Sample.

• Cluster.

A sample that does not fairly represent the population. It's a "bad," sample.

• Biased Sample

• Population.

• Random Sample.

A measure used to describe how much a data varies; the range, IQR, and mean absolute deviation are measures of spread.

• Measure of Spread.

• Measure of Central Tendency.

• Random Sample.

Which of the following lists all parts of the five number summary used to make a box plot?

• Mean, Median, Mode, Range, and Total

• Minimum, Quartile 1, Median, Quartile 3, and Maximum

• Smallest, Q1, Q2, Q3, and Q4

What is the median of the data?

• 200

• 100

• 140

What is the range of the set of data?

• 70

• 65

• 80

What is the minimum value?

• 64

• 58

• 66

The median of the Lower half of a set of data.

• Quartile 1

• Quartile 2

• Quartile 3