Different Types of Data in Criminal Justice Assignment

Different Types of Data in Criminal Justice - Assignment Example 2. The age issue could lead to confusing findings in substance abuse research. This is because most countries have laws that prescribe the legal drinking age. For instance the legal drinking age in United States is 21 while in United Kingdom it is 18 (Bamforth, 2009). As a result, youths who are below the drinking age may give wrong age for fear that legal action may be taken against them. Therefore, giving such information may be difficult to the respondents. This is a powerful graph used to show the proportion or relative sizes of data. For this survey the percentage of males and females involved in substance abuse could be better presented using pie chart. Each gender would be represented by each segment of the pie chart. A bar graph consists of vertical and horizontal bars whose lengths indicate the magnitude of the data. In this research, the bar graph would be appropriate in representing the amount of substance abused or the popularity of the substance. The frequency or the amount of substance would be placed on the vertical axis while the type of substance would be on the horizontal axis. The trend of change between the drinking age and the years could be well captured in by line graph. This would be done by plotting the average age against the year. By doing so, the relationship between age the year would be