The alternative hypothesis for an independent-groups t test states that ___. a. the independent and dependent variables are related b. the two levels of the independent variable are essentially the same c. the dependent variable influences the value of the independent variable d. the independent and dependent variables are unrelated
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The null hypothesis (H0) states that there is no significant difference between the means of the two groups, while the alternative hypothesis (H1) states that there is a significant difference between the means of the two groups. Based on the given options: a. Show more…
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If a t-test is performed in the context of a multiple regression model and the null hypothesis is rejected, this means that A. no independent variable has a significant relationship with the dependent variable. B. all independent variables have a significant relationship with the dependent variable. C. the independent variable for which the test has been performed has a significant relationship with the dependent variable. D. the independent variable for which the test has been performed has no significant relationship with the dependent variable.
How do the independent and dependent variables in an experiment compare? A. The independent and dependent variables have no effect on each other. B. The dependent variable controls the independent variables. C. The independent and dependent variables are exactly the same as each other. D. The independent variable controls the dependent variables.
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