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by: Minjee Kong

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# Chi-Square_March25.pdf STAT 2112

Marketplace > George Washington University > STAT 2112 > Chi Square_March25 pdf
Minjee Kong
GWU

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Class notes on Chi-Square Analysis from Chapter 10. Detailed example with step-by-step problem solving for class examples.
COURSE
PROF.
TYPE
Class Notes
PAGES
3
WORDS
KARMA
25 ?

## Popular in Department

This 3 page Class Notes was uploaded by Minjee Kong on Wednesday March 25, 2015. The Class Notes belongs to STAT 2112 at George Washington University taught by Thomas Vadakkeveetil in Spring2015. Since its upload, it has received 107 views.

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Date Created: 03/25/15
Chapter 10 Categorical Data Analysis Wednesday March 25 2015 Qualitative Data Ratio Interval Rank Ordering Ordinal Nominal Examples given in class Nominal level data grouping into different groups names 1 Male amp Female 2 Political parties Democrat amp Republican 3 Religion Interval level data does not have a real zeroquot 1 IQ Score 2 Temperature Ratio level data has a real zeroquot 1 Zero money no money ChiSquare Analysis Class Example Ice Cream Shop Flavors 25 Strawberry 30 25 30 252 25 E 1 2 25 Banana 20 25 20 25 25 E 1 2 4 Chocolate 23 25 23 25 4 E 16 2 4 Pistachio 27 25 27 25 4 E 016 100 100 58 232 Hypothesis Testing cc 2 005 H01p1 132 133 p4 Ha at least one will be different dfk1413 Refer to quotCritical Values of ChiSquarequot Table X2005de 3 DNR RR 232 7814 2way analysis preference for avor by gender Male Female EV EV Strawberry 10 20 30 Male Female Banana 10 10 20 0069 0128 Chocolate 8 15 23 0104 0096 Pistachio 20 7 27 0072 0125 48 52 100 0154 0050 Cell Value Expected Value EV Row Total x Column Total 0 Strawberry Male 8 0069 20 Strawberry Female 30 0128 X52 df r1 c1 41 21 3

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