When figuring the variance of the distribution of means based on ...

[vinney12]

When figuring the variance of the distribution of means based on an estimated population variance in a study with 20 participants, you divide the estimated population variance by __________. (Give a number.)
 
  Fill in the blanks with correct word

Question 2

When converting a z score into a raw score, anytime the z score is negative
  in sign
 
  a. so too will be the raw score
  b. so too will be the mean
  c. so too will be the standard deviation
  d. the value of the raw score will be less than the mean

[carlsona147]

Answer to Question 1

20 (19 is wrong)

Answer to Question 2

d