Chapter 5

Question 1

Boxplot

Answer 1

Displays the 5-number summary as a central box with whiskers that extend to the non-outlying data values.

Question 2

5 Number Summary

Answer 2

Maximum, minimum, median, upper quartile, lower quartile

Question 3

Upper fence

Answer 3

Upper fence= Q3 + 1.5 IQR

Question 4

Lower fence

Answer 4

Lower fence= Q1 - 1.5 IQR

Question 5

Far outliers

Answer 5

Data values farther than 3 IQRs from the quartiles

Question 6

Re-expression

Answer 6

Applying a simple function to make the skewed distribution more symmetric

Question 7

Outlier

Answer 7

Any point more that 1.5 IQR from either end of the box in a boxplot

Question 8

Comparing distributions

Answer 8

Shape, unusual features, center, spread

Question 9

Timeplot

Answer 9

Displays the data that change over time