9 A sample of 600 values produced the following summary descriptive statistics upper Q1 35 6 Q2 54 2 Q3 62 4 Mean 56 8 Given this information the fence on a box whisker plot is b 4 60 a 26 80 d 102 60 c 75 80 10 Given a distribution of measurements that is approximately mound shaped the Empirical Rule states that the approximate percentage of measurements in a data set that fall within 1 standard deviation of their mean is approximately a 99 b 95 c 90 d 68 true or F for false