Suppose the estimating equation y = 5 - 2x has been calculated for a set of data

Question

Suppose the estimating equation y = 5 - 2x has been calculated for a set of data. Which of the following is true for this situation? A. They y-intercept of the line is -2. B. The slope of the line is negative. C. The line represents an inverse relationship, that is. as one value goes up. the oilier goes down. D. All of these. E. Parts B and C, but not A. If the p-Value of a test statistic is 0.03025, and alpha is 0.05, what conclusion should be drawn? A. Reject H_0 B. Do not reject H_0 C. Reject H_1. D. Not enough information available. In an ANOVA single-factor, A. an interaction term is present. B. an interaction term is not present. C. an interaction term must be statistically significant before main effects can be tested. D. the interaction term has (c - 1) (n - 1) degrees of freedom. Income is used to predict savings. For the regression equation y = 1000 + 0.10x, which of the following holds true? A. y is income, x is savings, and income is the independent variable. B. y is income, x is savings, and savings is the independent variable. C. y is savings, x is income, and savings is the independent variable. D. y is savings, x is income, and income is the independent variable. In a certain analysis of variance, the mean square treatments is 5.0 with 2 degrees of freedom, and the mean square error is 1.0 with 10 degrees of freedom. The value for the F test statistic is: A. 25.0 B. 5.0 C. 6.0 D. 4.0 E. 2.5

Explanation / Answer

Using standard definitions we have the following results

q-21-E

q-22-A

q-23-B

q-24-D

q-25-B

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