suppose the mean height of girls in one class is 63 inches with a standard deviation of 2.3 inches. the mean height of boys in another class is 65 inches with a standard deviation of 2.1 inches. which class has more variability in height? justify your answer.

He letter p on the number line below represents the number . (use the hyphen for negative numbers and write answer as a decimal, such as –7.2) number line from negative 7 to positive 7 in increments of 0.5 is shown. only the whole numbers are labeled. a point labeled p is placed at the eleventh tick mark to the left of 0.