What does the central limit theorem enable researchers to do? ...

[natalie2426]

What does the central limit theorem enable researchers to do?
 
  a) compare means from two independent samples
  b) generalize the results from a sample to a population without knowing the exact nature of the population's distribution
  c) compute the significance of a relationship between two variables
  d) reduce the possibility that chance accounts for variability in the variable of interest

Question 2

When computing the standard deviation, what does it mean when the sum of the deviation
   about the mean is NOT 0?
 
  a) The data set has a great amount of variability.
  b) The data set has at least one extreme score.
  c) The data is too small.
  d) The mean of the data set was computed incorrectly.

[mathjasmine]

Answer to Question 1

b

Answer to Question 2

d