Question: Steve Schmidt (1994) conducted a series of experiment examining the effects of humor on memory. In one study, participants were given a mix of humorous and no humorous sentence and significantly more humorous sentence were recalled. However, Schmidt argued that the humorous sentences were not necessarily easier to remember, they were simply preferred when participants had a choice between the two types of sentence. To test this argument he switched to an independent-measures design in which one group got a set of exclusively humorous sentences and another group got a set of exclusively no humorous sentences. The following data are similar to the results from the independent measures study.

Do the results indicate a significant difference in the recall of humorous verses non humorous sentences? Use a two-tailed test α=.05.