7. A data distribution has a mean of 575 and a standard deviation of 125. Determine the data value that corresponds to the 2.5%. a. 300 c. 325 b. 225 d. 200 0.5% 2.5% 16% 50% 84% 97.5% 99.85% z=-3 z=-2 z=-1 z=0 z=1 z=2 z=3 8. If a data value falls at the 97" percentile, the data value is a. One standard deviation below the mean. b. Two standard deviations above the mean. c. Two standard deviations below the mean. d. One standard deviation above the mean. 9. A data value, x = 27 is from a data set that has a mean = 18. If the data point, x = 27 falls at the 97.5th percentile, determine the standard deviation