Timeline for explanation of proof that sample mean is unbiased
Current License: CC BY-SA 3.0
11 events
| when toggle format | what | by | license | comment | |
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| Apr 30, 2017 at 12:13 | answer | added | Augusto | timeline score: 0 | |
| Apr 30, 2017 at 3:34 | comment | added | Michael Hardy | Actually, he ought to have expressed it the way you did. | |
| Apr 30, 2017 at 3:33 | answer | added | Michael Hardy | timeline score: 2 | |
| Apr 30, 2017 at 0:57 | comment | added | Hasse1987 | @MichaelHardy That was intentional since his notations is, to my experience, nonstandard. The ys on the lhs are random, those on the rhs are not. (I suppose you could consider both sides as random, but the rhs is still deterministic since the population size is $N$.) | |
| Apr 30, 2017 at 0:21 | comment | added | Michael Hardy | You misquoted Cochrane. I see only a small excerpt via Google Books, but it is clear: He wrote $$ E(y_1+y_2+\cdots+y_n) \text{ must be some multiple of } (y_1 + y_2 + \cdots + y_N) $$ He had lower-case $y$s throughout. | |
| Apr 30, 2017 at 0:08 | history | edited | Michael Hardy | CC BY-SA 3.0 |
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| Apr 29, 2017 at 22:51 | answer | added | Zen | timeline score: 6 | |
| Apr 29, 2017 at 22:19 | history | edited | Hasse1987 | CC BY-SA 3.0 |
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| Apr 29, 2017 at 22:12 | history | edited | Hasse1987 | CC BY-SA 3.0 |
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| Apr 29, 2017 at 22:06 | review | First posts | |||
| Apr 29, 2017 at 22:28 | |||||
| Apr 29, 2017 at 22:05 | history | asked | Hasse1987 | CC BY-SA 3.0 |