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by: Alica Coffey

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# Vocabulary From Chapter 1 (1, 1-1, 1-2) SPEA-K 300

Marketplace > Indiana University > SPEA-K 300 > Vocabulary From Chapter 1 1 1 1 1 2
Alica Coffey
IU
GPA 3.5
Statistics
Shinwoo Lee

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Vocabulary: Chapter 1: Statistics: science of conducting studies to collect organize, summarize, analyze, and draw conclusions from data. Chapter 1-1: Variable: characteristics or attr...
COURSE
Statistics
PROF.
Shinwoo Lee
TYPE
PAGES
3
WORDS
KARMA
129 ?

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1 review
"I had to miss class because of a doctors appointment and these notes were a LIFESAVER"
Freddie Hamill DDS

## Popular in Department

This 3 page Reader was uploaded by Alica Coffey on Monday January 19, 2015. The Reader belongs to SPEA-K 300 at Indiana University taught by Shinwoo Lee in Spring2015. Since its upload, it has received 518 views.

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## Reviews for Vocabulary From Chapter 1 (1, 1-1, 1-2)

I had to miss class because of a doctors appointment and these notes were a LIFESAVER

-Freddie Hamill DDS

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Date Created: 01/19/15
Statistics SPEAK 300 Lecture Notes Vocabulary Chapter 1 Statistics science of conducting studies to collect organize summarize analyze and draw conclusions from data Chapter 11 Variable characteristics or attributes that can assume different values Data the values measurements or observations that can assume Random Variables variables who are determined by chance Data Set collection of data values or datums Data ValueDatum each value in the data set Population consist of all subjects human or otherwise that are being studied Sample Group of subjects selected from a population Descriptive Statistics consists of the collection organization summarization and presentation of data lnferential Statistics consists of generalizing from samples to populations performing estimations and hypothesis tests determining relationships among variables and making predictions Probability the chance of an event occurring Hypothesis Testing a decisionmaking process for evaluating claims about a population based on information obtained from samples Chapter 12 Qualitative Variable variables that have distinct categories according to some characteristic or attribute Quantitative Variable Variables that can be counted or measured Discrete Variable assume values that can be counted Continuous Variable can assume an in nite number of values between any two speci c values obtained by measuring Often include fractions and decimals Boundary of a number de ned 5 a class in which a data value would be placed before the data value was rounded Measurement Scales How variables are categorized counted or measured common types nominal ordinal interval and ratio Nominal Level of Measurement classi es data into mutually exclusive non overlapping categories in which no order or ranking can be imposed on the data Ordinal Level of Measurement classi es data into categories that can be ranked however precise differences between the ranks do not exist Interval Level of Measurement ranks data and precise differences between units of measure do exist however there is no meaningful zero Ratio Level of Measurement possesses all the characteristics of interval measurement and a true zero exists True ratios exist when same variable is measured on two different members of the population

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