EHRD 391 Exam 3 Questions and answers, 100% Accurate, VERIFIED.

EHRD 391 Exam 3 Questions and answers, 100% Accurate, VERIFIED. Inferential Statistics (hypothesis testing) - --making decisions with incomplete data -notion of taking info from small groups to big ones population - -a group of people who have 1 thing in common sample - -a subset of the people sampling error - -the inherent error that comes with samples Null hypothesis - --a statement of equality between two variables -considered the starting point -it is what we accept to be true, until we have evidence that says othersiwe -it is considered the benchmark Null hypothesis interpretation - -there is no difference in ____DV____ between ____IV1____ vs. _____IV2_____. Null hypothesis symbol form - - Non-directional hypothesis - --says there is a difference but doesn't provide the direction of the difference -results in a two-tailed test