2) Using the rules of the summation operator, derive each part of equation A.8. means you have to show that: That E[(x; – x)(y; – ỹ))=Ex;(y; – ÿ) i=1 i=1 Σ(x-X)y; i=1 and E[x;yi] – n(xy) and i=1 Be sure to show each step so I can see how you rearranged and combined terms. sWI
2) Using the rules of the summation operator, derive each part of equation A.8. means you have to show that: That E[(x; – x)(y; – ỹ))=Ex;(y; – ÿ) i=1 i=1 Σ(x-X)y; i=1 and E[x;yi] – n(xy) and i=1 Be sure to show each step so I can see how you rearranged and combined terms. sWI
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![2) Using the rules of the summation operator, derive each part of equation A.8.
means you have to show that:
That
E(x; - x)(y; – y)]=Ex;(y¡ - y)
i=1
i=1
={(x; - x)y;
i=1
and
E[x;y;] – n(xy)
i=1
and
Be sure to show each step so I
can see how you rearranged and combined terms.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F71c8197d-6615-4a2f-b16b-3bedb32ebb0b%2Fd10a0f0a-7b29-4bfc-8820-d1a6902e2dee%2Fsasmxqj_processed.png&w=3840&q=75)
Transcribed Image Text:2) Using the rules of the summation operator, derive each part of equation A.8.
means you have to show that:
That
E(x; - x)(y; – y)]=Ex;(y¡ - y)
i=1
i=1
={(x; - x)y;
i=1
and
E[x;y;] – n(xy)
i=1
and
Be sure to show each step so I
can see how you rearranged and combined terms.
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