By graphic interpolation on an ogive curve, we can determine the approximate percentiles for various values of the variable, and vice versa. Referring to Fig. 2-21, (a) What is the approximate...

By graphic interpolation on an ogive curve, we can determine the approximate percentiles for various values of the variable, and vice versa. Referring to Fig. 2-21, (a) What is the approximate percentile associated with an average of 2.5 accidents? (b)What is the approximate average number of accidents at the 50th percentile?