the means of 2 samples are equal. a. the means of more than 2 samples are equal.

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the means of 2 samples are equal. a. the means of more than 2 samples are equal. the means of more than 2 populations are equal. None of the above d. Part II: True/false tion A scatter diagram can be used to show the correlation between two variables reyresion analysis, f the dependent variable is measured in dollars, the independent variable (o) that for every 3.aL TO )A simple linear regression equation with a coeficient of correlation of 0.80 means unit rise in X, there is a 0.80 unit rise in Y cTrue Itwo variables were perfectly correlated, the ) If two variables were perfectly correlated, the correlation of determination would equal to-1 or + . 5.(4Yul )na muiple liner regresso model, there may be one dependent variable and one independent to describe the case when some independent variables in a multiple regression mode 6. aige 7.(TYULR A categorical variable can be included in a regression model. 8. alse ) The p-value is usually 001 or 005. 9.False )A t test should be used to determine the difference between 2 population proportions. 10.True ) An ANOVA F test can be used to determine if there is a difference between several population 11.True ) The error of rejecting a true null hypothesis (Ho) is called a Type II erro 12. ( ) The term used are highly correlated is multicollinearity means. ) In a hypothesis testing, if the null bypothesis Ho) is rejected, then the alternative hypothesis (H must also be rejected.

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