STAT 101 Study Guide - Quiz Guide: Sampling Bias, Sampling Frame, Empirical Probability

• School: Iowa State University
• Department: Statistics
• Course: STAT 101
• Professor: haleyjeppson

Document Summary

Random events outcome unknown before event occurs. Example of a random event: choosing chips out of a hat with 3 white chips, 2 blue chips, and 4 red chips. Example of a non-random event: choosing chips out of a hat containing only white chips. Use a list of random numbers to simulate random events. Find number of heads i(cid:374) (cid:1008) (cid:272)oi(cid:374) tosses. Step 1: assign 0-4 random digits to be the event we get a head. Assign 5-9 to be the event we get a tail. Here we only need one digit to represent head/tail. So if our random digits are: 3 8 1 6. Cou(cid:374)t the (cid:374)u(cid:373)(cid:271)er of heads (0-4) = 3, 1. Simulation-simulate random event by using random numbers, do a lot of trials to get accurate estimates. Identify the population, sample, parameters and statistics for a given problem.