STAT 200 Study Guide - Midterm Guide: Frequency Distribution, Type I And Type Ii Errors, Null Hypothesis

• School: UBC
• Department: Statistics
• Course: STAT 200
• Professor: Eugenia Yu

Document Summary

Instructions: make sure that your copy of the test includes 6 pages, including this one, answers can be in ink or pencil. If you want the possibility of re-marking, use ink: other than a non-programmable calculator, no electronic devices are permitted. The excuse of accidental exposure, forgetfulness, or ignorance will not be accepted. Some questions have a box for the final answer. Please put the final answer in this box, and show your work in the other space provided (use the back of the page if necessary). I have read and fully understand these instructions. Name:_______________________________ student number:__________________: answer each of the following (3 points each), describe the shape of the z-distribution. What is its mean and standard deviation: how does a t-distribution differ from a z-distribution, what is a histogram, and for what kind of data would you use it, imagine you have a discrete numerical variable.