Chapter 1 notes

# Chapter 1 notes - Statistics Two kinds of Statistics Data...

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Statistics Two kinds of Statistics Data consist of information coming from observations, counts, measurements, or responses. Statistics is the science of collecting, organizing, and interpreting data in order to make decisions. Descriptive Statistics—this involves the organization, summarization, and display of data Inferential statistics--this involves using a sample to draw conclusions about a population

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Statistics Two kinds of Statistics Population--collection of all outcomes, responses, measurements, or counts that are of interest. Sample--a subset (part) of a population Population Sample
Statistics Simple Random Sampling Census—information on the entire population Sampling—information on part of the population Probability sampling—use of a coin or die to determine the sample Simple random sampling—a sampling procedure for which each possible sample of a given size is equally likely to the one obtained Simple random sample—a sample obtained by simple random sampling With replacement—member of population can be selected more than once

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## This note was uploaded on 09/12/2008 for the course MATH 1431 taught by Professor Unkown during the Spring '08 term at Georgia Perimeter.

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Chapter 1 notes - Statistics Two kinds of Statistics Data...

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