The records of the state Division of Motor Vehicles reveals that 23% of all drivers have been ticketed at least once. Twenty-five percent of a random sample of older drivers in the state have gotten at least one ticket. This difference has been tested and the researcher has failed to reject the null hypothesis. What can be concluded?
A) Older drivers are better drivers
B) Older drivers are worse drivers.
C) There is no significant difference between older drivers and drivers in general in terms of number of tickets.
D) Older drivers are significantly different from drivers in general.

Question

Quizplus · Accepted Answer

The failure to reject the null hypothesis means that there is no significant difference between the proportion of older drivers who have been ticketed and the proportion of all drivers who have been ticketed. Therefore, it can be concluded that there is no significant difference between older drivers and drivers in general in terms of the number of tickets. Option A and B are not valid conclusions as they are not supported by the given information. Option D is not a specific enough conclusion.

The Records of the State Division of Motor Vehicles Reveals