Question

use the table to find the standard score and percentile of the following data values. a. a data value 2.8 standard deviations below the mean. b. a data value 1.2 standard deviations below the mean. c. a data value 0.2 standard deviation above the mean. loading... click the icon to view the standard scores and percentiles for a normal distribution.

Answer 1

a. Standard Score: -2.8, Percentile: 2.1%

b. Standard Score: -1.2, Percentile: 15.9%

c. Standard Score: 0.2, Percentile: 50.2%