When we test hypotheses of differences between means, we:   A.) test to see if our obtained difference could have happened by chance. B.) calculate a type of z score to locate our difference on a probability distribution. C.) compare our results to that of a probability distribution. D.)

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 47E: Assume that a survey of 282 people is taken to determine the opinions of doctors, teachers, and...
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When we test hypotheses of differences between means, we:
 
A.) test to see if our obtained difference could have happened by chance.
B.) calculate a type of z score to locate our difference on a probability distribution.
C.) compare our results to that of a probability distribution.
D.) 
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