A Sample of Five Flooring Installers, Each Carrying Three Types

question 173

Multiple Choice

A sample of five flooring installers, each carrying three types of flooring, was taken and the price per square metre (to the nearest cent) was recorded for each type of flooring, as shown in the table below. (i) The range for laminate flooring is 0 or none.
(ii. The variance for laminate flooring is 0.
(iii) The range for nylon carpet is $0.15 or 15 cents.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements, but not (i).
• E) (i), (ii) and (iii) are all false statements.