PSYC 1010 Lecture Notes - Lecture 13: Standard Deviation, Quasi, Shampoo

• School: University of Guelph
• Department: Psychology
• Course: PSYC 1010
• Professor: Lana Trick

Document Summary

10 multiple choice, short essay (10 marks), long calculation (20 marks) Your standard of evidence in a hypothesis test: used to create the decision rule. Your probability of getting a type 1 error (rejecting ho when you should not) Set up decision rule **using sampling distribution of the mean (when doing a z test_ Do women who live in an area that is contaminated by pollution give birth to. Do women who live in an area that is contaminated by pollution give birth to babies that have lower birthweights?) Population mean birthweight u=8 lbs. population sd birthweight is =3lbs. Only do them when the question specifically asks you to do them. Conservation tests (tests where the value of alpha is less than. One tailed test (a liberal test that they rarely let you get away with if you want to publish your results in journals. Directional test (one-tail): previous evidence suggest environmental contamination produces lower birth weights.