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In a study ofobesity the following results were obtained from samples of males and females between...

In a study ofobesity the following results were obtained from samples of males and females between the ages of 20 and 75:
n Number Overweight
Males

150

21

Females

200

48
Can we conclude from these data that in the sampled populations there is a difference in the proportions who are overweight? Let a ¼ :05.

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