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Central Limit Theorem - S3

s3 ch3 q.pngI don't recon the topic from S1. Where do the answers for E(S) & Var(S) in part a come from?
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Avatar for Zacken
Zacken
22
Original post by RK1998
s3 ch3 q.pngI don't recon the topic from S1. Where do the answers for E(S) & Var(S) in part a come from?


E(S)=16+26+36+⋯+66E(S) = \frac{1}{6} + \frac{2}{6} + \frac{3}{6} + \cdots + \frac{6}{6}

Var(S)=16+226+326+⋯+626−3.52\text{Var}(S) = \frac{1}{6} + \frac{2^2}{6} + \frac{3^2}{6} + \cdots + \frac{6^2}{6} - 3.5^2
Reply 2
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RK1998
OP
5
Original post by Zacken
E(S)=16+26+36+⋯+66E(S) = \frac{1}{6} + \frac{2}{6} + \frac{3}{6} + \cdots + \frac{6}{6}

Var(S)=16+226+326+⋯+626−3.52\text{Var}(S) = \frac{1}{6} + \frac{2^2}{6} + \frac{3^2}{6} + \cdots + \frac{6^2}{6} - 3.5^2



Thanks man!
Reply 3
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Zacken
22
Original post by RK1998
Thanks man!


You're welcome!

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