A Sample of Five Flooring Installers, Each Carrying Three Types

question 58

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 mean deviation for laminate flooring is 0.
(iii) The range for nylon carpet is $0.12 or 12 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.

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Definitions:

SSE

Sum of Squares due to Error, a measure in statistics that quantifies the variance in an observed variable that is not explained by the predictive model.

Race Car Drivers

Individuals who operate cars specifically designed for competitive racing at high speeds.

Different Tracks

Courses or paths that are distinct from one another, often used in the context of education or music.

ANOVA Table

a table that summarizes the analysis of variance test results, used to determine if there are any statistically significant differences between the means of three or more independent groups.