QUESTION 9 2 points Save Answ Researchers are examining stroke patients and are

Question

QUESTION 9 2 points Save Answ Researchers are examining stroke patients and are wondering if they can use stutter rate to determine whether the individual had a mild, moderate or severe stroke Analysis of Variance Source DF Factor Error Total MS P-Value 108.8 210 11743.9 212 11852.7 54.4 0.38 Level Mild Moderate 71 Severe ANOVA is based on an assumption of equal population standard deviations. Was the required rule of thumb met for this particular study? Mean 4·714 4.206 6.009 StDev 7.392 7.451 7.590 95 Confidence Interval (2.99, 6.43) (2.47, 5.94) (3.24, 6.77) 71 71 O Yes 0 O Not enough information

Explanation / Answer

Answer is NO

since

Decision rule : p value < 0.05(alpha level) then regression is fit for data

Given requied rule of thumb not met for this particular study

since, p value is not small, i.e p = 0.38 > 0.05

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