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 standard deviation for laminate flooring is 0.
(ii. The standard deviation for polyester carpet is $1.88.
(iii) The range for polyester carpet is $1.04.
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.

Question

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 standard deviation for laminate flooring is 0.
(ii. The standard deviation for polyester carpet is $1.88.
(iii) The range for polyester carpet is $1.04.
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.

Quizplus · Accepted Answer

The Answer of 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 standard deviation for laminate flooring is 0.
(ii. The standard deviation for polyester carpet is $1.88.
(iii) The range for polyester carpet is $1.04.
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.

A Sample of Five Flooring Installers, Each Carrying Three Types