Researchers analyzed eating behavior and obesity at Chinese buffets. They estimated people's body mass indexes (BMI) as they entered the restaurant then categorized them into three groups---bottom third (lightest) , middle third, and top third (heaviest) . One variable they looked at was whether or not they browsed the buffet (looked it over) before serving themselves or served themselves immediately. Treating the BMI categories as the explanatory variable and whether or not they browsed first as the response, the researchers wanted to see if there was an association between BMI and whether or not they browsed the buffet before serving themselves. They found the following results:
• Bottom Third: 35 of the 50 people browsed first
• Middle Third: 24 of the 50 people browsed first
• Top Third: 17 of the 50 people browsed first
-Based upon the p-value of 0.001, what is the appropriate conclusion for this test?
A) We have strong evidence of an association between BMI and if a person browses first among all people who eat at Chinese buffets.
B) We have strong evidence of an association between BMI and if a person browses first among people who eat at Chinese buffets similar to those in the study.
C) We have strong evidence of no association between BMI and if a person browses first among all people who eat at Chinese buffets.
D) We have strong evidence of no association between BMI and if a person browses first among people who eat at Chinese buffets similar to those in the study.
Correct Answer:
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