To use the z test the data _________. a. must be normally ...

[clmills979]

To use the z test the data _________.
 
  a. must be normally distributed
  b. must be sampled from a normal distribution
  c. should be sampled from a normal distribution if sample size is 10
  d. can be any shape if N = 10
  e. should be normal distributed if sample size is 10

Question 2

If zobt had a value of 4.50 in the direction opposite from that predicted by the directional H1 and zcrit was 2.58, one would _________.
 
  a. accept H0 c. retain H0
  b. reject the alternative hypothesis d. reject H0

[choc0chan]

Answer to Question 1

C

Answer to Question 2

C

[clmills979]

Excellent

[kthug]

Thanks for the timely response, appreciate it