The main purpose of classification of data is to: MCQ with Answer and Explanation

The main purpose of classification of data is to:

A. Present data in rows and columns

B. Group homogeneous data to highlight similarities and patterns

C. Calculate measures of central tendency

D. Draw graphs

Answer: Option B

Classification brings order to data by grouping similar items.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

A population has a very high proportion of young people. Its crude death rate may be low even if age-specific death rates are high because:

A. Migration of elderly lowers CDR.

B. Young populations have higher immunity.

C. It is due to statistical error.

D. Death rates are high at older ages, and few old people exist.

Correct Answer: Option D

Explanation:
CDR is a weighted average of age-specific rates; with few elderly, the high mortality rates of old age receive less weight.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

General Fertility Rate (GFR) uses denominator as:

A. Women aged 15-49

B. Total population

C. Total male population

D. Married women only

Correct Answer: Option A

Explanation:
GFR relates births to the female population of reproductive age.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Which average is most appropriate for calculating average of ratios like price-earnings ratios?

A. Harmonic mean

B. Arithmetic mean

C. Mode

D. Median

Correct Answer: Option A

Explanation:
When averaging rates where numerators are same, harmonic mean is appropriate.

This question belongs to: Accountancy and Statistics Statistics