Z or t ?

CFA Level II Quant
#1

When the n < 30 t distribution when sample > 30 Z distribution?

Is that correct?

#2

Even when the sample size is greater than 30, a t-distribution is better if they give you the information, but the Z-distribution is OK.

#3

thank you

#4

I haven’t seen a Z table question yet…is this even on the exam?

#5

i dont know if it is on cfa curriculum

#6

There’s no z in level 2 !! Right?!

#7

You’re welcome.