Q2 of 43 Page 22

Describe some fundamental characteristics of statistics.

Fundamental characteristics of Statistics are:


(i) A single observation does not form statistics. Statistics is a sum of total number of observations.


(ii) Statistics are expressed quantitatively not qualitatively.


(iii) Statistics are collected with definite purpose.


(iv) Statistics in an experiment are comparable and can be classified into various groups.


More from this chapter

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1

What do you understand by the word “statistics”?

(i) Singular form


(ii) Plural form

 3

What are:

(i) Primary data?


(ii) Secondary data?


Which of the two—the primary or the secondary data—is more reliable and why?

 4

Why do we group data?

 5

Explain the meaning of the following terms:

(i) Variable


(ii) Class-interval


(iii) Class-size


(iv) Class-mark


(v) Frequency


(vi) Class limits


(vii) True class limits