Matching
A) t test for independent means
B) weighted average
C) harmonic mean
D) distribution of differences
1) the appropriate comparison distribution for a t test for independent means
2) hypothesis-testing procedure in which there are two separate groups of people tested and in
which the population variance is unknown
3) average in which the scores being averaged do not have equal influence on the total, as in
figuring the pooled estimate in a t test for independent means
4) in a t test for independent means, when between means the number of scores in the two groups differ, this is used as the equivalent of each group's sample size when determining power
A-2; B-3; C-4; D-1
You might also like to view...
According to Smail, only about ________ percent of the current world population could be said to have a generally adequate standard of living
a. 10 b. 13 c. 18 d. 20
Cyberdating fosters which of the following?
A the internet allows for more equalitarian interchange than face-to-face relations B the internet allows easy exploitation in couple relationships C relationships that lead to long lasting deep personal relationships D all of the above.
Why is there a “wet bias” in the predictions made by weather forecasters?
A) Weather is far too difficult to accurately predict, especially with the small amounts of data forecasters receive for each location. B) Storms generate more viewers for weather programs, and forecasters, like all newscasters, are concerned about ratings. C) Forecasters know the public does not fully understand probability, and so they report low probabilities as somewhat higher so people can take preventative action. D) Weather forecasters lack the proper training in scientific discipline needed to determine what a prediction means and does not mean.
In the context of the styles of conflict, ________ involves a high concern for oneself and a low concern for the other.
A. avoidance B. competition C. accommodation D. compromise