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Statistics questions

Statistics
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Apr 22nd, 2015

Differences 1.1, 3.4, 1, 2.4, 1.1, 0.2, 3.4, 1.9, 0.6, 1.2

mean difference  16.3/10 = 1.63

mean error of sample difference = 1.11

t- test statistic = 1.63/ 1.11 = 1.468 

[1.468>1.383 (0.1 critical t- value) - additive made a difference)

Apr 22nd, 2015

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Apr 22nd, 2015
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