In the formula, t = (M1 M2 ) / Sdifference, Sdifference is A) ...

[xclash]

In the formula, t = (M1  M2 ) / Sdifference, Sdifference is
 
  A) the sum of the standard deviations of the distribution of means.
  B) the pooled estimate of the populations' standard deviation.
  C) the standard deviation of the distribution of differences between means.
  D) the average standard deviation of the two samples.

Question 2

If psychologists want to draw statistical conclusions that go beyond the numbers actually collected in a research study, they will use __________.
 
  Fill in the blanks with correct word

[choc0chan]

Answer to Question 1

Thank you

Answer to Question 2

inferential statistics

[xclash]

Thanks for the timely response, appreciate it

[Bigfoot1984]

Wow, this really help