N represents _____, whereas n represents _____. a. the total ...

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N represents _____, whereas n represents _____.
 
  a. the total number of scores in the study; the number of scores in each sample
  b. the number of scores in each sample; the total number of scores in the study
  c. the number of pairs in the study; the number of difference scores in the study
  d. the number of difference scores in the study; the number of pairs in the study

Question 2

When can the z-test be used in statistical hypothesis testing?
 
  a. When the measure of central tendency used for the raw scores is the median
  b. When the raw scores are transformed from a nominal scale to a ratio scale
  c. When the raw score population's standard deviation is known
  d. When the z-test standard deviation is known

[heinisk01]

Answer to Question 1

A

Answer to Question 2

C

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TYSM

[komodo7]

Thanks for the timely response, appreciate it