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You are interested in examining whether homicide offenders get sentenced to longer prison sentences than kidnapping offenders. You take a sample of 10 homicide offenders
You are interested in examining whether homicide offenders get sentenced to longer prison sentences than kidnapping offenders. You take a sample of 10 homicide offenders and find that in 2009, the average prison sentence was 205 months with a standard deviation of 12 months. You find that the average prison sentence for sample of 12 kidnapping offenders was 108 months with a standard deviation of 27 months. You will test the null hypothesis at a .01 level of significance. Based on this information:
- Write null and research hypothesis in symbols.
- Calculate an independent samples t-test, to test your null hypothesis. Hint: you must calculate the standard error of the means and then calculate t test. You MUST show your work for your calculations to receive any credit. You can either type in the box or upload your work as a .pdf, .docx, or .jpeg
- Based on this information, can you reject your null hypothesis? How do you know?
- What would you conclude about your research?
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