Question

identify the lower class limits, upper class limits, class width, class midpoints, and class in the summary. age (yr) when award was won frequency 25 - 29 30 30 - 34 33 35 - 39 13 40 - 44 3 45 - 49 4 50 - 54 1 55 - 59 1 27, 32, 37, 42, 47, 52, 57 (type integers or decimals. do not round. use ascending order) identify the class boundaries. 24.5, 29.5, 34.5, 39.5, 44.5, 49.5, 54.5, 59.5 (type integers or decimals. do not round. use ascending order.) identify the number of individuals included in the summary.

Explanation:

Step1: Sum up the frequencies

To find the number of individuals, we sum all the frequencies in the frequency - column.
$30 + 33+13 + 3+4 + 1+1$

Step2: Calculate the sum

$30+33 = 63$, $63+13=76$, $76 + 3=79$, $79+4 = 83$, $83+1=84$, $84 + 1=85$

Answer:

85