The safety director of Honda took samples at random from the file of minor work-related accidents and classified them according to the time the accident took place.
Number of Number of
Time Accidents Time Accidents
8 a.m up to 9 a.m. 7 1 p.m. up to 2 p.m. 10
9 a.m. up to 10 a.m. 5 2 p.m. up to 3 p.m. 15
10 a.m. up to 11 a.m. 5 3 p.m. up to 4 p.m. 9
11 a.m. up to 12 noon 13 4 p.m. up to 5 p.m. 8
a. State the decision rule. Use 0.02 significance level. (Round the final answer to 3 decimal places.)
H0: The numbers of accidents are the same.
H1: The numbers of accidents are not the same.
Reject H0 if 2 >
.
b. Compute the value of chi-square. (Round the final answer to 2 decimal places.)
2 =
c. What is your decision regarding H0? Using the goodness-of-fit test and the 0.02 level of significance, determine whether the accidents are evenly distributed throughout the day.
(Click to select)
H0. The accidents are
(Click to select)
distributed throughout the day.