Can you explain how they got 97.5 from 1.96?

Using Table 8.1, a computer, or a calculator, determine the percentage of the population falling below each of the following standard scores: b. 1.96 Explanation . The percentile gives the percentage of the population values less than a certain value. . The standardised value of a variable is the z-score. . If a: is a certain value, p, is the mean and a is the standard deviation then, the z-score is given by, z = '5' M a . . The percentile is obtained from a table of proportions and percentiles for standard normal scores. . From the table, observe for the percentile of standardized score 1.96. . Thus, the obtained value is 97.5 i.e. 97.5% values are less than 1.96. Verified Answer 0 97.5%