1 assume that the histogram of a data set is symmetric and

Reference no: EM13615168

1. Assume that the histogram of a data set is symmetric and bell shaped, with a mean of 75 and standard deviation of 10. Then, approximately 95% of the data values were between 55 and 95.

2. A low p-value provides evidence for accepting the null hypothesis and rejecting the alternative

3. A t-test is used to determine whether the coefficients of the regression model are significantly different fromzero

4. Decision trees are more appropriate tools than decision tables when a sequence of decisions must be made.

5. If a solution to an LP problem satisfies all of the constraints, then is must be feasible and bounded.

6. Correlation is measured on a scale from 0 to 1, where 0 indicates no linear relationship between two variables, and 1 indicates a perfect linear relationship.

7. In a random walk model, there are significantly more runs than expected, and the autocorrelations are not significant.

8. In multiple regression, the problem of multicollinearity affects the t-tests of the individual coefficients as well as the F-test in the analysis of variance for regression, since the F-test combines these t-tests into a single test

Reference no: EM13615168

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