A criminologist studying criminal offenders who have a record of one or more arrests is interested in knowing whether the educational achievement level of the offender influences the frequency of arrests. He has classified his data using four educational level classifications:
A: completed 6th grade or less
B: completed 7th, 8th, or 9th grade
C: completed 10th, 11th, or 12th grade
D: education beyond 12th grade
The contingency table shows the number of offenders in each educational category, along with the number of times they have been arrested.

Do the data present sufficient evidence to indicate that the number of arrests is dependent on the educational achievement of a criminal offender? Test using α =.05.

Transcribed Image Text:

Educational Achievement Number of Arrests A 30 40 25 43 18 22 12 0 15 3 or More