The following contingency table is on Autism and Breastfeeding: Autism None Less than 2 months 2 to 6 months More than 6 months Total Yes 241 198 164 215 818 No 20 25 27 44 116 Total 261 223 191 259 934 Is there a relationship between autism and breastfeeding? To determine if there is, a researcher asked mothers of autistic and non-autistic children to say what time period they breastfed their children. What is the Test Statistic?  (round to two decimal places)  What is the p-value? (go four decimal places)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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The following contingency table is on Autism and Breastfeeding:

Autism None Less than 2 months 2 to 6 months More than 6 months Total
Yes 241 198 164 215 818
No 20 25 27 44 116
Total 261 223 191 259 934

Is there a relationship between autism and breastfeeding? To determine if there is, a researcher asked mothers of autistic and non-autistic children to say what time period they breastfed their children.

What is the Test Statistic?  (round to two decimal places) 

What is the p-value? (go four decimal places) 

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