Question

how do youfid the percentile ?

Answer 1

number of data points divided by percentile; round up and count from the start that many places

Answer 2

What value corresponds to the 60th percentile in the following data set?
{12, 28, 35, 42, 47, 49, 50}

Answer 3

7 total; times that by .6

4.2; now round up to 5 and count the fifth data entry

47

Answer 4

Adult IQ scores have a bell-shaped distribution with a mean of 100 and a standard deviation of 15. Use the Empirical Rule to find the percentage of adults with scores between 70 and 130