Are undergraduate students' evaluations of their university English instructors influenced by personal characteristics of the students (e.g., GPA)?  The answer to this question requires an advanced statistic, but this statistic makes many assumptions about the data. To check these assumptons, run descriptive statistics on the data before running the more advanced statistic.

Perform the required descriptive statistics on the evals.sav file.

Data file:  evals.sav
Variables: Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q27, Q29, Q31 

Answer the following questions:

1. What kind of data are in each of the variables Q1-Q8 (nominal, ordinal, or interval)?
    
    
2. Provide figures to indicate the central tendency of  the students' responses to variables Q27, Q29 and Q31. You must perform three separate statistical analyses for this problem.
    
    
    
    
3. Provide figures to indicate the dispersion of  the students' responses on variables Q27, Q29 and Q31. You must perform three separate statistical analyses for this problem.