RES 341 Week 5 question 6

RES 341 Week 5 question 6 - a small sample size would be...

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6. Why is population shape of concern when estimating a mean? What does sample size have to do with it? Population shape describes the frequency of values that can be obtained by full sampling. For small samples we don't know if it really represents the population. As the sample size increases we become confident that our estimation is getting closer to the actual value. On the other hand,
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Unformatted text preview: a small sample size would be sufficient to reach the normal distribution when the population distribution is already close to a normal distribution. And it needs a large sample size when the original distribution is very different than the normal distribution. The greater the sample size, the less the probability that what is observed is due to chance....
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This note was uploaded on 06/25/2011 for the course RES 341 taught by Professor Hermis during the Spring '10 term at University of Phoenix.

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