Transcript Let's say you were trying to understand the results of Professor Ratcliff's data comparing the reaction times of people in their 20s with those of people in their 80s. Which of the following summarizing statements would be most informative or helpful to you in understanding the results? (Note: This is an exploratory exercise. There are no right or wrong answers.) Statement Helpful Not So Helpful The older group had an average reaction time of 760 ms. O O The younger group seemed to be faster than the older group. O O The younger group had an average reaction time 930 ms. O O Half of the older group had a faster than 800 ms answer time. O O The following exercises will help you master the most common methods for summarizing and describing a data set using a single value that can serve as a representative score. Grade It Now Save & Continue