Question

Four students have applied to a special program and only one can be accepted. they have taken a battery of 12 tests and all have exactly the same average score. the standard deviations of their test scores are: student a= 3.12, student b= 0.27, student c= 13.45, student d= 6.45. if consistency of performance is a criteria for acceptance, which of the four students should be selected?

Answer 1

Student b=0.27 should be selected