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Old Exam Papers June 2012 (Set 2)

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13 16<br />

14 2<br />

15 2<br />

3. Calculate Karl Pearson's skewness from the following<br />

data :<br />

Size Frequency<br />

0-6 12<br />

6-12 24<br />

12-18 38<br />

18-24 52<br />

24-30 34<br />

30-36 19<br />

fuEufyf[kr lwpuk ds vk/kkj ij dkyZ fi;lZu dh fo"kerk Kkr<br />

dhft;s %<br />

vkdkj vko`fÙk<br />

0-6 12<br />

6-12 24<br />

12-18 38<br />

18-24 52<br />

24-30 34<br />

30-36 19<br />

4. "Statistics is a Science." Comment.<br />

^^lkaf[;dh ,d foKku gSA** foospuk dhft;sA<br />

5. Explain the difference between dispersion and skewness.<br />

vifdj.k ,oa fo"kerk ds vUrj dks le>kb;sA<br />

6. Define Mean Deviation. How does it differ from standard<br />

deviation ?<br />

ek/; fopyu dks ifjHkkf"kr dhft;sA ;g izeki fopyu ls fdl<br />

izdkj fHkUu gS \<br />

Part-B<br />

Hkkx-c<br />

Attempt any four questions from<br />

Part-B. Each question carries 3½<br />

marks.<br />

Hkkx&c esa ls fdUgha pkj iz'uksa ds mÙkj nhft;sA<br />

izR;sd iz'u 3½ vad dk gSA<br />

200 4 ECO-07 ECO-07 5 PTO

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