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The following data is from a survey that was conducted in both 1996 and 2001. Did...

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Basic Math

The following data is from a survey that was conducted in both1996 and 2001. Did the rates of smoking differ from 1996 to 2001?*Smokers are defined as those who smoke every day. (Data fromWSJ,

19962001
GradeSmokers*NonsmokersSmokers*Nonsmokers
8th            1,101               13,566         948    13,852
10th            2,107               12,560      2,054    12,834
12th            3,187               11,479      3,021    12,015

Answer & Explanation Solved by verified expert
4.4 Ratings (954 Votes)

Let us analyze the data for 1996.

1996
Grade Smokers Percentage Non-smokers Percentage
8th 1101 17.22 13566 36.07
10th 2107 32.95 12560 33.40
12th 3187 49.84 11479 30.53
Total 6395 100 37605 100

Let us now analyze the data for 2001.

2001
Grade Smokers Percentage Non-smokers Percentage
8th 948 15.74 13852 35.79
10th 2054 34.10 12834 33.16
12th 3021 50.16 12015 31.05
Total 6023 100 38701 100

The number of 8th grade smokers has decreased 17.22 to 15.74%.

The number of 10th grade smokers has increased 32.95 to 34.10%.

The number of 12th grade smokers has increased 49.84 to 50.16%.

The number of 8th grade non-smokers has decreased 36.07 to 35.79%.

The number of 10th grade non-smokers has decreased 33.40 to 33.16%.

The number of 12th grade non-smokers has increased 30.53 to 31.05%.

Therefore, the rates of smoking differ from 1996 to 2001.
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