10.
11.
12.
13.

14.
15.

16.

18.

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2 C 21589

What do you meant by Moving average method ?

What do you meant by Vital Statistics ?

Define Crude death rate.

How to find the growth of population ?

Explain the term (i) Sample space ; and (ii) Random experiments
Explain the term (i) Equally like events ; and (ii) Exhaustive events

A die is thrown. Find the probability of getting (i) a ‘4’; (ii) an even number ; (iii) less than 3; and
(1४) "305.

Explain the Classical definition of Probability.

From a bag containing 10 black and 20 white balls, a ball is drawn at random. What is the
probability that it is black ?

(10 x 3 = 30 marks)
Section B (Short Essay Questions)

Answer at least five questions.

Each question carries 6 marks.

All questions can be attended.
Overall Ceiling 30.

27
Find the Elasticity of demand for the demand function * = ۳0٣

6) ஈகம்‌ (ക്‌ +108 3% + 7९४ 77,

ய்‌ if
(ii) Find the value of ௮ if 2x7 — 3xy + y? =0.

Define Trend. What are the various methods of measuring it ?

197788