Question

One hundred middle school students studying Spanish were randomly assigned to 2 classrooms. One classroom used Rosetta Stone and the other used Babbel software in the language lab and on their personal computers. At the end of one semester, the final grades turned out to be:

Hypothetical Data Comparing Foreign Language Software

Grade	ABCDE	Totals
Classroom I Classroom II	8 13 16 10 3 4 9 14 16 7	50 50

a. Test the null hypothesis that the software options are equally effective. b. What is the p-value?

Answer 1