Consider the following cumulative relative frequency distribution.
Class Cumulative
Relative
Frequency
150 up to 200 0.15
200 up to 250 0.23
250 up to 300 0.62
300 up to 350 1.00
a-1. Construct a relative frequency distribution. (Round your answers to 2 decimal places.)
Class Relative
Frequency
150 up to 200
200 up to 250
250 up to 300
300 up to 350
Total
a-2. What percent of the observations are at least 300 but less than 350?
Percent of observations
