Results of a statistical study

Reference no: EM13965397

It is believed that the effects of smoking differ depending on race. The following table gives the results of a statistical study for this question.

Number in the Average number of Number of lung study cigarettes per day cancer cases
Whites	400	15	78
AfricanAmericans	280	15	70

Do the data indicate that African Americans are more likely to develop lung cancer due to smoking? Use α = 0.05.

Reference no: EM13965397

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