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Unformatted text preview: between the groups 5 Reject the null hypothesis ` accept the alternative hypothesis (Ha) ` a significant difference is observed ` one group has greater growth than the other ` state which one has the greater growth 6 Statistical Terms from unit 1 a Mean : average of measurements a Median : middle value a Range : the smallest to largest values a Deviation : + or – from the mean a Variance : sum of deviations 2 a Std. Deviation : sq.root of variance...
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- Fall '11
- Null hypothesis, significant difference