Summary of the Activites (Inferential Statistics) Problem 1: t-Test A research study was conducted to examine the differences between older and younger adults on perceived life satisfaction. A pilot study was conducted to examine this hypothesis. Ten older adults (over the age of 70) and ten younger adults (between 20 and 30) were a life satisfaction test (known to have high reliability and validity) . Scores on the measure range from 0 to 60 with high scores indicative of high life satisfaction, low scores indicative of low life satisfaction. The data are presented below. Is there a significant difference between older and younger adults on perceived life statisfaction? Compute the appropriate t-Test. 0.05 level of significance. Use one-tailed test and two-tailed test Older Adults Younger Adults 45 34 38 22 52 15 48 27 25 37 39 41 51 24 46 19 55 26 46 36 Mean = 44.5 Mean = 28.1 S = 8. 68 S = 8.54