Which of the following is an example of a dependent sample that could use the paired t-test? Multiple choice question. The lifetimes of 11 Brand A light bulbs and the lifetimes of 25 Brand B light bulbs. A group of patients took a personality test, underwent therapy, then re-took the test. One group of patients took a personality test. Another group underwent therapy, then took the test. The check-out times for a group of 10 customers at one grocery store and the check-out times for a group of 10 customers at another store