Quiz

A study was done to see if there was a relationship between the type of car a person drives and the type of job they have.  The table below shows counts of a survey that was conducted.  385 people were surveyed.

  American Japanese Other
Unskilled 65 30 15
Management 30 25 10
Technical 24 40 18
Education 17 19 6
Government 21 11 9
Health 10 15 20

 

A.  Compute the contribution to c2 from the government workers who own a Japanese car.

 

B.  State the null and alternative hypotheses.

 

C.  If the c2 statistics was 28.17, what can be concluded at the 0.05 level of significance? Answer using a complete sentence.