(Answered) 1is there any significant relationship between gender and

Statistics

1. Is there any significant relationship between gender and the variable IQcat? If so, what is it?

2. Is the mean exam grade significantly larger than 75?

3. Are there significant differences in the Exam grade for men and women?

4. Are there significant differences in the Assgn grade for years in college?

5. Are there significant differences in age in different campuses?

6. Obtain a correlation matrix for all scale variables (exam grade, assgn grade and IQ) and discuss the results.

7. Do a multiple regression analysis to explain the variance in Exam grades using the independent variables of: age; assignment grade and IQ, and interpret the results. How much variance in Exam grads can be explained by these variables together? Which variable has the largest impact? Is it significant?

8. Do another multiple regression, this time adding gender as another IV. Does it change the result? How? Does the gender variable have a significant influence in predicting the exam grade?

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