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Risk of making what kind of mistake

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Reference no: EM132188247

1. The total degrees of freedom for an experiment with n1= 10,n2= 12, and n3= 10 is ____.

2. By doing multiple t tests when there are more than 2 experimental groups we increase the risk of making what kind of mistake?

a) accepting Ho

b) Type I error

c) Type II error

d) all of the above

3. If X1=46, X2= 50, X3= 92 and n1=n2=n3, what is the value of Xg?

a) cannot be determined from information given

b) 50.0

c) 188.0

d) 62.67

Reference no: EM132188247

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