Question

Find the actual lower class limits, upper class limits and the mid-values of the classes :
$10-19,20-29,30-39$ and $40-49$.

• A. $14.5,24.5,34.5,45.5$ and $44.5$
• B. $14.6,24.5,34.5$ and $44.6$
• C. $14.5,24.5,34.5$ and $44.5$
• D. $14.5,24.6,34.6$ and $44.5$

Answer 1

The correct option is C $14.5,24.5,34.5$ and $44.5$

Actual lower limits are $9.5,19.5,29.5$ and $39.5$.

Actual upper limits are $19.5,29.5,39.5$ and $49.5$

Mid values are $14.5,24.5,34.5$ and $44.5$.