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Old Exam Papers Dec. 2010 - Video

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3. What is skewness ? How does it differ from dispersion ?<br />

Explain. 14<br />

4. Calculate Arithmetic Mean, Median and Mode from the<br />

following data :<br />

Central size of farms No. of farms<br />

(in acres')<br />

10 7<br />

20 12<br />

30 17<br />

40 29<br />

50 31<br />

60 5<br />

70 3<br />

5. Four cards are drawn at random from a pack of 52 cards.<br />

Find the probability that :<br />

(i) We get an Ace, a King, a Knave<br />

(ii) All are hearts<br />

(iii) There is one card of each suit<br />

(iv) There are two black and two red cards<br />

700 2 MS-08<br />

14<br />

14<br />

10. What is "time series" ? What are its main components ?<br />

How would you study seasonal variations in a time<br />

series ? Discuss. 14<br />

MS-08 5 700<br />

<strong>Papers</strong> (A) (<strong>Dec</strong>ember) <strong>2010</strong><br />

(220)

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