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## Probability and Statistics

by: Angelita Ledner

36

0

1

# Probability and Statistics MATH 2050

Angelita Ledner
MTSU
GPA 3.8

Dennis Walsh

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COURSE
PROF.
Dennis Walsh
TYPE
Class Notes
PAGES
1
WORDS
KARMA
25 ?

## Popular in Mathematics (M)

This 1 page Class Notes was uploaded by Angelita Ledner on Wednesday September 23, 2015. The Class Notes belongs to MATH 2050 at Middle Tennessee State University taught by Dennis Walsh in Fall. Since its upload, it has received 36 views. For similar materials see /class/212991/math-2050-middle-tennessee-state-university in Mathematics (M) at Middle Tennessee State University.

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Date Created: 09/23/15
0 Math 2050 Probability and Statistics A First Course in Statistics by McClave and Sincich 0 statistics is the science of data which involves collecting classifying summarizing organizing analyzing and interpreting numerical information o descriptive statistics utilizes numerical and graphical methods to look for patterns in a data set to summarize the information revealed in a data set and to present that information in a convenient form 0 inferential statistics utilizes sample data to make estimates decisions predictions or other generalization about a larger set of data 0 experimental unit is an object person thing transaction event etc upon which we collect data 0 population a set of units usually people objects transactions or events 0 variable a characteristic or property of an individual population unit39 any particular characteristic may vary among the units in a population 0 census measuring a variable for every unit of a population 0 sample a subset of the units of the population 0 a statistical inference is an estimate or prediction or some other generalization about a population based on information contained in a sample 0 a measure of reliability is a statement usually quantified about the degree of uncertainty associated with a statistical inference 0 four elements of descriptive statistical problems 1 the population or sample of interest 2 one or more variables that are to be investigated 3 tables graphs or numerical summary tools 4 identification of patterns in the data

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