Grouped simple frequency distributions are most efficient when ...

[cdr_15]

Grouped simple frequency distributions are most efficient when you have
 
  a. many levels of nominal or ordinal data.
  b. many levels of interval or ratio data.
  c. qualitative data.
  d. more than ten intervals.

Question 2

On any normal distribution the 50th percentile corresponds with a z score
  of
 
  a. 0
  b. 50
  c. 68
  d. + 1

[cclemon1]

Answer to Question 1

b

Answer to Question 2

a

[cdr_15]

Thanks for the timely response, appreciate it

[Mochi]

Great answer, keep it coming