Question

Consider the following frequency distribution: Class 10 up to 20 20 up to 30 30up to 40 40 up to 50 Frequency 28 31 41 20 a. Construct the relative frequency distribution. (Round your answers to 3 decimal places.) Relative Frequency Class 10 up to 20 20 up to 30 30 up to 40 40 up to 50
the cumulative frequency distribution and the cumulative relative frequency distribution. (Round Cumulative Relative Cumulative Frequency Relative Frequency Cumulative Class 10 up to 20 20 up to 30 30 up to 40 40 up to 50 c-1. What percent of the observations are at least 20 but less than 30? (Round your answer to 1 decimal place.)
c-2. What percent of the observations are less than 302 (Round your answer to 1 decimal place.)
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