# Stat Study Guide

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Submitted By tdccco05
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Chapter 1 – Introduction to Statistics 1-1 Review and Preview * Data – are collections of observations, such as measurements, genders, or survey responses. (A single data is a called a datum, a term that does nog see very much use.) * Statistics – is the science of planning studies and experiments; obtaining data; and then organizing, summarizing, presenting, analyzing, and interpreting those data and then drawing conclusion based on them. * Population – is the complete collection of all measurements or data that are being considered. * Census – is the collection of data from every member of the population. * Sample – is a sub-collection of members selected from a population

Statistics Cheat Sheet
Chapter 2 – Summarizing and Graphing Data
Section 2-1: Review and Preview * Characteristics of Data * 1. Center: A representative value that indicates where the middle of the data set is located. * 2. Variation: A measure of the amount that the data values very. * 3. Distribution: The nature or shape of the spread of the data over the range of values (such as bell-shaped). * 4. Outliners: Sample values that lie very far away from the vast majority of the other sample values. * 5. Time: Any change in the characteristics of the data over time. * Study Hint: Blind memorization is not effective in remembering information. To remember the above characteristics of data, it may be helpful to use a memory device (or mnemonic) for the first five letters CVDOT. Remembering the sentence “Computer Viruses Destroy Or Terminate” is an easy way to help us remember the five key characteristics of data.

Chapter 3
Statistics for Describing, Exploring, and Comparing Data
3-1 Review and Preview * Critical Thinking and Interpretation: Beyond Formulas * The methods and tools presented in...

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