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| three numbers in a Nevada Roulette table refers to three numbers across that pays 11 to 1 |
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| the normal approximateion is to do with substituting the normal curve for the actual probability histogram |
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| can bias be eliminated by going for bigger-sized samples |
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| the formula for SE in terms of Big and Small values on the tickets in a box-model can be applied to a box with contents like 10 ticktets numbered 8 and 20 tickets numbered 9 |
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| for a Nevada Roulette table representation wheterh the rule is 35 to 1 (highest), 17 to 1, 11 to 1, etc, pays even (lowes) the number of tickets in the box model will be what |
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| The Central Limit Theorem says that when drawing at random with replacement the probability histogram for the sum of draws will follow the normal curve, provided the number of draws is not large |
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| false, the number of draws must be reasonably large |
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| In 12,000 rolls of a die, the number of aces was 2010 as opposed to the expected 2000. The difference in observed and teh expected number of aces is 10. If 48,000 rolls are now made, itis likely that the difference in observed and teh expected number of |
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| The Literary Digest Poll had selection bias and non-response bias |
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| Expected Value and SE are good enough to summarize probability histograms that follow teh normal curve |
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| with more tosses of an unbiased coin, there is less chance variability in percentage of heads to number of tosses |
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| population is part of a sample |
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| probability methods help in impartial an dbias free sampling |
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| quota sampling is a probability method |
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| telephone surveys based on phone book but with random didit dialing gets around teh bias |
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| response bias means non-respondents being influenced by the style and approach of the investigator |
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| a statistic is what an investigator does not know |
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| false- parameters are what they know, statistic is what they want to know |
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| the literary digest poll and george gallup came out with exactly the same predeictions about the presidential election in 1936 |
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