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A researcher wants to test whether smoking and drinking alcohol are independent, at of 5%. He took a random sample of adults and calculated the

A researcher wants to test whether smoking and drinking alcohol are independent, at of 5%. He took a random sample of adults and calculated the following standardized residuals.

Drink's alcohol

Smoker

Yes

No

Yes

0.85

1.92

No

-8.89

0.99

Using this table, which of these values shows the greatest relative difference between the observed and expected cell frequencies?

Please give your answer correctly rounded to two decimal places.

Answer:

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