Question

. A sociologist is interested in studying the relationship between education and crime. She randomly selects 312 people and asks them their education level and whether or not they have ever been convicted of a felony. Is there evidence that education level and crime are dependent?

Education Level                No Felony Conviction     Felony Conviction           

Less than 9 years                              89                                           10          

9 years - 12 years                             78                                           10          

12 years - 16 years                          59                                           6             

16+ years                                            53                                           7             

b. State the null and the alternate hypotheses.

c. State the degrees of freedom and the critical value – use the chi-square chart and a 0.01 level of significance.

d. Use your calculator to determine the test statistic and the p-value.

e. Conclude the test by comparing the test statistic and the critical value.

f. Conclude the test by comparing the p-value and the level of significance.

g. State your conclusion IN CONTEXT.

Answer 1