What is the critical value of t for the hypothesis test? A) 2.441 B) 2.449 C) 2.

ID: 3246046 • Letter: W

Question

What is the critical value of t for the hypothesis test?

A) 2.441

B) 2.449

C) 2.738

D) 2.733

Which of the following assumptions is not required to use ANOVA?

A) The populations from which the samples are drawn are (approximately) normally distributed.

B) All samples are of the same size.

C) The populations from which the samples are drawn have the same variance.

D) The samples drawn from different populations are random and independent.

The mean of a discrete random variable is its:

A) box-and-whisker measure

B) expected value

C) upper hinge

D) second quartile

The regression model y = A + Bx + e is:

A) a deterministic model

B) an exact relationship

C) a probabilistic model

D) a nonlinear model

1) the critical value based on df , hypothesis , and level of significance

2) all samples have same size

3) expected value

4) probabilistic model

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