Confidence Interval 1
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what is a 90% confidence interval of the mean of the population?
i need the answer , please
thanx in advance
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@blaccc1 ..there is a formula about it..
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thank you for sharing. This is a logic curve for me thank you!
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@BITpinched Much appreciated.
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I think that's pretty neat too.
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@203132 How did it work out? ; D
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Is the 'standard deviation of the sample distribution of the sample mean' the same this as the 'standard error of the mean'?
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I'm confused. isn't 40 the standard deviation of the sample? shouldn't the standard deviation of the population be 40 times 6?
blaccc1 1 year ago 22
nice, i have an exam on wednesday about this. epic
203132 1 year ago 8