A Sample of Five Flooring Installers, Each Carrying Three Types

question 59

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 standard deviation for nylon carpet is 4.64 cents
(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.

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Definitions:

Chief Cells

Specialized cells located in the stomach that are responsible for secreting pepsinogen, an important enzyme precursor in the digestive process.

Salivary Glands

Salivary glands are exocrine glands located in the mouth that produce saliva, which begins the process of digestion and helps protect the mouth and teeth.

Pyloric Sphincter

The valve-like structure composed of a circular band of muscle at the juncture of the stomach and small intestine.

Pylorus

The opening from the stomach into the duodenum, controlled by a sphincter that regulates the passage of food.