The reason z scores may be used to calculate probabilities is ...

[james0929]

The reason z scores may be used to calculate probabilities is that
 
  a. frequencies are easily converted into probabilities
   b. all z scores are independent of each other
   c. all z scores are included within a standard deviation unit (plus or minus)
   of the mean
   d. all z scores are included within 2 standard deviation units (plus or minus)
   of the mean

Question 2

There are four determinants of the power of a one-way analysis of variance: effect size, sample size, significance level, and the __________.
 
  Fill in the blanks with correct word

[sabina576]

Answer to Question 1

a

Answer to Question 2

number of groups

[james0929]

Thank you!

[sabina576]

Happy to help