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5) A researcher test the number of pages 10 individual before and after an reading speed experimental procedure. Prior to t
what is tobs, positive tcrit for an a=0.05?
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#5: d=tBefore-Atter) d: -0.4 0.5 -0.9 -0.5 0.4 -0.3 -1.2 O 0.4 0.6 ă = and = 1 = -0.14 Sd = (side (sd) 3) = 56 £3.68 - (-1.4

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