Topic:
Confidence Interval
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Confidence Interval
Answers to Common Questions
A confidence interval gives an estimated range of values which is likely to include an unknown population parameter, the MORE?
･ 1 Add together the value of every data point in the sample. ･ 2 Divide this sum by the total number of data points. This is the mean value for the sample. ･ 3 Subtract the mean from the lowest value of all the data points. For example, in...
Actually, no. It represents an interval that is likely (to some confidence level) to contain the true population parameter of interest. It is based on the presumption that, if the procedure were repeated over and over again, the interval wo...
More Common Questions
Answers to Other Common Questions
a) your sample mean and sample variance (estimators) attain population mean and population variance on average; this says nothing about your individual sample values. I'd say false. b) true, one method of derivation is via the Pivot Method ...
http://www.talkstats.com/showthread.php?p=16492
"A narrow confidence interval suggests relatively little variation, but that is not all you need to look at." The narrow confidence interval means that you have low variance, which is good from the standpoint of statistical power ...
http://askville.amazon.com/narrow-confidence-interval-s...
No, the confidence interval (CI) doesn't always contain the true population parameter. A 95% CI means that there is a 95% probability that the population parameter falls within the specified CI.
http://wiki.answers.com/Q/Confidence+interval+Always+in...
The confidence interval is the range where you expect something to be. By saying "expect" you leave open the possibility of being wrong. The degree of confidence measures the probability of that expectation to be true. The degree ...
http://climateerfinance.blogspot.com/2007/04/first-read...
in statistics, the word "probability" is reserved for events that have not occurred. a confidence interval tries to capture the value of a population parameter--a value that already exists and therefore has no probability. (by t...
http://f-of-x.blogspot.com/2009/02/why-is-it-called-con...
Yes,there are some relationship between confidence interval and tests of hypothesis.
http://www.blurtit.com/q1979223.html
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