I test to determine if the average size of

all Hillsborough County apartments

exceeds 1025 square feet. The following

printout is obtained:

One-Sample T Test

Null Hypothesis: μ = 1025

Alternative Hyp: μ> 1025

Variable Mean

T DF

P

Size

3 24

1070.4

0.0216

SE

21.267

2.1

Cases Included 25 Missing Cases 0

In addition to needing a random sample,

what other assumption is necessary?

O The sampling distribution of the sample

mean needs to be approximately normally

distributed.

O The sizes of all Hillsborough County

apartments needs to be approximately a t-

distribution with 24 degrees of freedom.

None. The Central Limit Theorem applies

and no other assumptions are needed.

O The sizes of all Hillsborough County