A preparation of insulin is being studied to determine the effects on reducing t

Question

A preparation of insulin is being studied to determine the effects on reducing the blood-sugar level in rats. 25 rats of identical breed are randomly injected with different dosages of insulin (X) and reduction rate in their blood-sugar levels (Y) are recorded. The results are summarized as: X = 150 X2 = 1000 Y = 50 Y2 = 693 XY = 450

And the incomplete Analysis of Variance table is given as S.S. D.F. M.S. Source 225 225 Regression Error Total 24 593 For testing hypotheses to support that the reduction rate in blood-sugar levels with increasing per unit of insulin dosage is at least 2.00, hat is the value of test statistic?

Explanation / Answer

Value of the test statistic is 14.06

Source Df SS MS F Regression 1 225 225 14.06 Errpr 23 368 16 Total 24 593

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