If the 95% confidence limits around the mean difference (in a t-test) are 10.5 13.0, we
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If the 95% confidence limits around the mean difference (in a t-test) are 10.5 − 13.0, we can conclude that, if we repeat the study 100 times, then:
(a) Our results will be statistically significant 5 times
(b) Our results will be statistically significant 95 times
(c) 95% of the time the population mean difference will be between 10.5 and 13.00;
5% of the time the population mean difference will be outside this range
(d) 5% of the time the population mean difference will be between 10.5 and 13.00;
95% of the time the population mean difference will be outside this range
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Statistics Without Maths For Psychology Using Spss For Windows
ISBN: 9780132051606
4th Edition
Authors: Christine P. Dancey, John Reidy
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