On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \?=3.57)\)
) and 53 on his statistics exam (class distribution :u=49, ?=2.04. Which exam should he get the better grade.
z1=72-65/3.57=1.960
Z2=53-49/3.57=1.120
2 answers