6. A study of seatbelt users and nonusers yielded the randomly selected sample data summarized
in the table. Test the claim that the amount of smoking is independent of seat belt use. Use a
0.05 significance level and a test statistic of 1.358. Find the critical value and state the initial
conclusion.
Wear seat belts
Number of Cigarettes Smoked Per Day
0
1-14
15-34
35 and over
175
Don't wear seat belts 149
20
17
07.815; reject the null hypothesis
09.488; fail to reject the null hypothesis
09.488; reject the null hypothesis
42
41
6
9
(1 point)