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1 review
by: Matthew BC

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# Snowballmethiod.pdf BIS 315

Matthew BC
University of Washington Bothell
GPA 3.1
Professor Carlisle

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COURSE
PROF.
Professor Carlisle
TYPE
One Day of Notes
PAGES
3
WORDS
KARMA
25 ?

## 2

1 review
"Better than the professor's notes. I could actually understand what the heck was going on. Will be back for help in this class."

## Popular in Mathematics (M)

This 3 page One Day of Notes was uploaded by Matthew BC on Thursday November 6, 2014. The One Day of Notes belongs to BIS 315 at University of Washington Bothell taught by Professor Carlisle in Fall. Since its upload, it has received 202 views. For similar materials see Business statistics in Mathematics (M) at University of Washington Bothell.

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## Reviews for Snowballmethiod.pdf

Better than the professor's notes. I could actually understand what the heck was going on. Will be back for help in this class.

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Date Created: 11/06/14
Snow ball method Asking people to ask other people you are looking for Purpose of statistics 1 Makes inferences about a population charactistices 2 Use statistic to make sense of data a To convey data in understand f b infer a sample to character a population 3 Meana a A b A Error and bias in Research 1 It happens 2 Prof likes to not have student say this cause this Form research to stats 1 Quantitative a Numbers b liked Columns down represent variables Rows across each row represents a unit of analysis eg person Statistical symbols Perationalization nominal ordinal interval ratio Set of numbers N 1 234 n 1 234 1 A n usually used for people 2 A N usually used for population Outcomes usually used for y X usually used for variables Mean x bar Statistical symbols Levels of measurement Based on Steven s typology Ratio is the most liked so on so on 1 Ratio 2 Interval 3 Ordinal 4 nominal you can go down but not back up sigma Population size N Mean Mew SD standard 0 with line divation maradit Level of Answer choices measurement Options Sample xbar Example Nominal just words Catgorices Example Gender True and No ranked order false NO or yes Ordinal Word or 0 Example rou in s g p g 12 Strongly With order disagree to 3394 strongly agree 56 78 910 lntervial ratio Numbers on a Continuous Numbers of how number line ratios far way people live Descriptive stats

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