Unformatted text preview: Following the rules of hypothesis testing Hypothesis for the ztest state null rather than X becauseHypotheses indicate what would happen in the population An outcome of z= 2.79, p (less than) .05 means thatThe x was smaller then null A confidence intervalContains predicted outcome values for 95% of the population A Zobt of 3.00Reflects a significant difference from the normal population Rejecting Ho when it is true is consideredType I error In APA style, a Zobt of 1.24 would be written asZ=1.24 p, (greater than) .05 Of the following, which is the most powerful test?Onetailed If the null hypothesis is true, the sample mean isNot different from the population mean Failing to reject Ho when it is false is consideredA Type II error...
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This note was uploaded on 03/11/2008 for the course EDPSY 101 taught by Professor Amlund,jeannet during the Fall '07 term at Penn State.
 Fall '07
 AMLUND,JEANNET

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