MATH 2233 Lecture Notes - Lecture 1: Rare Disease, Blind Experiment, Germination
19 Sep 2018
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Document Summary
What is statistics? subject that deals with the collection , description and. Statistics : data collection . to describe data . Inferential interpretation can come from controlled experiments on occur naturally . the to. Simple random sample a sample chosen . so that each person has an equal chance to be chosen . In we use this method because avoids bias ensures sample is representative. Statistics : uses the sample to draw conclusions about the pop . Example 1 (population and sample): a tobacco farmer wishes to estimate the mean (average) number of leaves on a variety of tobacco plant in his eld. He obtains a srs of four plants and records the number of leaves on each: 15, 18, 20, 15. What is the population? tobacco plant on each number leaves farmer. We need to know the number of leaves of each plant on the field to calculate the mean.
