15.3 Students applying for admission to an MBA program must submit scores from the GMAT test, which includes a verbal and a quantitative component. Shown here are raw scores for 100 randomly chosen MBA applicants at a Midwestern, public, AACSB-accredited business school.
Research question: At α = .005, is the quantitative score independent of the verbal score?
Verbal Under 25 25 to 35 5 or More Row
Under 25 25 9 1 35
25 to 35 4 28 18 50
35 or More 1 3 11 15
Col Total 30 40 30 100
The solution provides step by step method for the calculation of chi square test for independence of Verbal score and quantitative score . Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.