Answer Happy

Sociology/Criminology/Economics: Records comparing unemployment rates, violent crime rates (per 1,000) and property crime rates (per 1,000) were gathered in a state for the years 1975 - 2005 (n = 31). Below are the scatterplots, regression lines, and corresponding statistics for these 31 years. Violent Crime Rate -vs- Unemployment Rate Violent Crime -VS- Unemployment x = Unemployment Rate (in %) y = Violent Crime Rate (in crimes per 1,000 people) 11 ...O correlation coefficient: r = 0.017 Violent Crime Rate (per 1,000) regression equation: Y = 0.023x + 7.04 10 12 sample size: n = 31 Unemployment Rate (%) Property Crime Rate -vs- Unemployment Rate Property Crime -vs- Unemployment x = Unemployment Rate (in %) y = Property Crime Rate (in crimes per 1,000 people) 59.0 54.0 49.0 44.0 39.0 34.0 29.0 correlation coefficient: r = 0.826 Property Crime Rate (per 1,000) regression equation: ý = 2.673x + 26.41 24.0 6 8 10 12 sample size: n = 31 Unemployment Rate (%) Answer the following questions regarding the relationship between unemployment and these two types of crime rates. (a) Is there a significant linear correlation between unemployment and violent crime rates? Yes O No (b) Is there a significant linear correlation between unemployment and property crime rates? Yes O No (c) Choose the most valid concluding statement. While there is a significant correlation between unemployment and property crime rates, there is no such correlation between unemployment and violent crime rates. There is no correlation between unemployment and crime rates. There is a significant correlation between unemployment and all types of crime rates.