STATISTICS HELP & ---------------------------------- Faculty at Public Universit
ID: 3126472 • Letter: S
Question
STATISTICS HELP
& ----------------------------------
Faculty at Public University are concerned about student success in math courses. In particular, the faculty would like to find a method of teaching math that lowers the "DFW" rate, which is the proportion of students who earn a D, For withdraw (W) from a math course. The faculty try three different methods of teaching the course, and record student grades. Here's what they find: Method A B C DPW Method 1 45 67 32 18 Method 2 50 75 35 20 Method 3 32 86 41 34 The column "A" shows how many students earned a grade of A, B" is the number of students who earned a grade of B, etc. DFW is the number of students who earned either a D, F or withdrew from the course (dropped the course Use this information to answer the following questions.Explanation / Answer
4. Answer is c
The mean grade in math is the same for each method of teaching math.
16 Answer is that the assumption should be that the null hypothesis is true.
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