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Assume you were interested in whether smoking (or not smoking) was related to gender. Let's say you randomly sampled 100 subjects and found following results:

 

Men

Women

Total

Smokers

36

36

  72

Non-Smokers

54

84

138

Total

90

120

210

Is there significant evidence at .05 level that smoking and gender are independent?

Statistics and Probability, Statistics

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