Question: Briefly identify which type of statistical procedure (e.g., Pearson’s r, correlated samples t-test, chi-square test of association, etc.) one would use for each of the following situations:

1. . Mean scores in mathematics are compared for students using supplemental mathematics software and a separate, different group of students who have not used this software.
2. . Is one’s level of satisfaction (measured on scale from 1 to 50) associated with one’s salary?
3. . Does a child’s decision to seek college admission (yes vs. no) differ depending upon whether that child’s mother attended college (yes vs. no)?
4. . One evaluation forms at University, students are asked to rate their level of interest in a course before taking the course and again after completing the course. These ratings are obtained for a section of College Algebra- do these mean levels of interest differ before and after taking College Algebra for this section of student ?

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