T-TEST CALCULATIONS + WORKED EXAMPLE (All exams)
A Level Biology: Mr Ashcroft
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T-TEST CALCULATIONS + WORKED EXAMPLE (All exams)
113 844 просмотра · 9 лет назад
A Level Biology: Mr Ashcroft
4,7 тыс. подписчиков
113 844 просмотра · 9 лет назад
00:25 = Normal distribution
01:36 = Uses of T-test
04:17 = T-value calculation
10:11 = Null hypothesis
12:00 = Full worked example of T-test
23:26 = Degrees of Freedom (and critical value)
24:44 = Critical value (p=0.05 probability) table
29:43 = Conclusion
Application of the student's T-test calculation to determine if there is any significance between the mean values of two data sets. Example data is given in the video.