1. What does it mean to be resistant? Non-resistant? 2. For a class project, Diana recorded the heights of all 28 students in her class and calculated several statistics. She then realized she made an error recording the height of the tallest person in the class. She correctly had him listed as the tallest, but needed to add two inches to his recorded height to correct it. Which of these measures of spread will remain unchanged? a. Standard deviation b. Variance c. Interquartile range d. Range 3. The dataset of water consumption for a small town in gallons per day is listed. What is the effect on the mean and standard deviation if consumption is increase by 50 gallons per day. (166, 179, 193, 175, 144, 151, 173, 175, 177, 160, 195, 225, 240, 144, 162, 145, 177, 163, 149, 188} a. The mean and standard deviation will remain the same b. The mean remains the same. The standard deviation increases by v50 c. The mean increases by 50. The standard deviation remains the same d. The mean and standard deviation increase by 50 e. The mean increase by 50. The standard deviation increases by v50 4. Suppose the average score on a national test is 500 with a standard deviation of 100. If each score is increased by 25, what are the new mean and standard deviation? a. 500, 100 b. 500, 125 . 525, 100 d. 525, 105 e . 525, 125 5. Suppose the average score on a national test is 500 with a standard deviation of 100. If each score is increased by 25%, what are the new mean and standard deviation? a. 500, 100 525, 100 C. 625, 100 625, 105 e. 625, 125