This hypothesis is not supported by the data. In this sample, 34.7% of those who had ever tried a cigarette were male, while 32.3% of those who had ever tried a cigarette were female.

H2: Males are more likely than females to have ever used cocaine.

This hypothesis is supported by the data. Of those who had ever tried cocaine, 13.9% were male and 8.6% were female.

6

For all of the drugs included in this survey, males made up a larger percentage than females in the group that reported having used each drug. Given that the sample has slightly more females than males overall, this finding emphasizes that men are more likely than women to have tried a wide range or drugs. The percentages were fairly close between the genders for more common drugs and...

For the illegal substances, the differences between the genders grew, with the largest difference between men and women being for ever having used crack. Males were much more likely than females to report having ever used crack (13.9% vs. 8.6%).
References

Norusis, M.J. (2008). Guide to Data Analysis. SPSS Statistics 17.0.

United States Department of Health and Human Services. Substance Abuse and Mental Health Services Administration. Office of Applied Studies. National Household Survey on Drug Abuse, 2001 [Computer file]. ICPSR03580-v3. Ann Arbor,…