16. If a two-sided null hypothesis is rejected for a single mean at a given si c

Question

16. If a two-sided null hypothesis is rejected for a single mean at a given si corresponding one-sided null hypothesis (i.e., the same sample size, the sam and the same mean) will A. Always B. Sometimes C. Never be rejected at the same significance level. 17. A professional basketball player is averaging 21 points per game. He will be retiring at the end of this season. The team has multiple options to replace him. However, the owner feels that signing a replacement is only justified, if he can average more than 22 points per game. the following are the appropriate hypotheses for this problem? A, Ho: 2l vs. Ha: >21 B.Ho: 2.2 vs. Ha: >22 C.Ho: 11221 vs. Ha: 10 by using a critical value, Chapter 13 19. In a simple linear regression analysis, the correlation coefficient (a) and the slope (b) have the same sign. A. Always B. Sometimes C. Never 20. The least squares regression line minimizes the sum of the A. Differences between actual and predicted Y values B. Absolute deviations between actual and predicted Y values C. Absolute deviations between actual and predicted X values D. Squared differences between actual and predicted Y values E. Squared differences between actual and predicted X values

Explanation / Answer

16)always

17)

option B is correct

18)

as it is right tailed test therfore correct option is D

19)

A) always

20) option D is correct

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