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26-я буква англ. алфавита
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1. like, again only
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score with proportions, and again, my speech, or my sales pitch on
2. with proportions, we always do
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scores. So, look up that 95% level of confidence, most
3. do, 2 sample proportion
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interval. Then do your checks, and now here we go. Estimate
4. I’ve done my checks now. So, finally, I can set up my
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score work, estimate minus
5. remember, all of this video is going to be involving
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scores,
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-test,
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-intervals, because
6. line where it says infinity or
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, and your
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* value will be 1.96 times the standard error
7.
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test. Bam! 2 sample proportion
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test. When we set up H0 as no effect, our treatment in
8. is going to be a pooled, 2 proportions
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test. Now, again, the reason why it’s going to
9. to do a two sample proportion
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confidence interval. You take an SRS of 380 men and an
10. we’re going back to doing, or using, the
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-distribution, the normal distribution, so
11. you do the subtraction and addition in the same order when you get to do the
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score,
12. you a few more notes before we move into the two sample proportion
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test because we have
13. or when your H0 statement is p1 = p2, this is what your
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score formula is going to look
14. from the pooled portion. We get a
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score value of 2.16, so we are 2.16 standard deviations
15. area, whether it’s the lower tail and you keep the
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negative or whether you do take
16. and again,
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-scores with proportions. So, to start off, we are combining means, whether,
17. our hypothesis statement for 2 sample proportion
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test, we have an issue with H0 which causes
18. than the mean at the same time, but you’ll find that one
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score, you’ll find the tail
19. the
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-distribution, that standard normal distribution, because we are working with proportions, we
20. Why
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…
21.
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test, a 2 sample pooled proportion
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test quite often. So, to find our pooled proportion,
22. pooled proportion
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test, let’s see what it looks like in practice. Bam! AL righty
23. intervals, p hats. We have formula for a
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-score. Again, proportions, Zs. If you’re working
24. Because Of X, Why X? because of
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?
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