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Question text A researcher wants to test whether smoking and years of formal education are independent, at of 5%. He took a random sample of

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A researcher wants to test whether smoking and years of formal education are independent, at of 5%. He took a random sample of adults and calculated the following Baby Chi's for this study.

Education

Smoker

Yes

No

10 years

1.02

1.36

More than10 years but 15 years

2.16

1.49

> 15 years

2.31

2.28

What is the value of the calculated test statistic for this test. Please give your answer correctly rounded to two decimal places.

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