Concept explainers
In each of Exercises 2.32–2.37, we have presented a frequency distribution of qualitative data. For each exercise,
- a. obtain a relative-frequency distribution.
- b. draw a pie chart.
- c. construct a bar chart.
2.36 Drug Types. Drug dealer motivation is traditionally attributed to greed or social pressures. Researchers R. Highland and D. Dabney explore possible personality characteristics as a motivation in the article “Using Adlerian Theory to Shed Light on Drug Dealer Motivations” (Applied Psychology in Criminal Justice, Vol. 5, Issue 2, pp. 109–138). The following table lists the types of drug sold from a sample of convicted drug dealers.
Drug sold | Frequency |
Marijuana | 73 |
Crack cocaine | 62 |
Powder cocaine | 45 |
Ecstasy | 20 |
Methamphetamine | 17 |
Heroin | 5 |
Other | 4 |
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Chapter 2 Solutions
Introductory Statistics (10th Edition)
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