Consider the following cumulative relative frequency distribution. Class Cumulat

Question

Consider the following cumulative relative frequency distribution.   Class Cumulative
Relative
Frequency   150 up to 200 0.10   200 up to 250 0.35   250 up to 300 0.70   300 up to 350 1     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 250 but less than 300?   Percent of observations % Consider the following cumulative relative frequency distribution.

Explanation / Answer

from above Percent of observations % 35%

Cum rel freq rel freq   150 up to 200 0.1 0.1   200 up to 250 0.35 0.25   250 up to 300 0.7 0.35   300 up to 350 1     0.3

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