(I There Are Two Types of Variables-Quantitative and Qualitative

question 67

Multiple Choice

(i. There are two types of variables-quantitative and qualitative.
(ii. A Qualitative variable is nonnumeric and we are usually interested in the number or percent of
The observations from each category.
(iii) Quantitative variables can be further divided into discrete and continuous variables.

• 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) Only statement (ii) is true.

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Definitions:

Benzoyl Chloride

An organic compound used as an acylating agent in organic synthesis, with the formula C6H5COCl.

Phenyl Propyl Ketone

An organic compound consisting of a ketone functional group bonded to a phenyl group and a propyl group.

Major Organic Product

The primary product of an organic reaction that is formed in greater quantity than any other products.

Grignard Reagent

A highly reactive chemical compound formed by the reaction of an alkyl or aryl magnesium halide with a metal, used in organic synthesis.