Question: A cumulative frequency distribution is constructed from a frequency distribution
A cumulative frequency distribution is constructed from a frequency distribution by replacing each frequency with the sum of the frequency of the given class and the frequencies of all classes above it, and representing each class by its upper class boundary. Construct a cumulative frequency distribution using the data of Exercise 3.115.
Answer to relevant QuestionsConstruct a cumulative frequency distribution using the data of Exercise 3.116. In exercise Use MINITAB or some other computer software to construct a histogram of the coking- time data given in Exercise 3.113. In exercise The probability density of the random variable Y is given by Find P(Y < 3.2) and P(2.9 < Y < 3.2). Find the distribution function of the random variable X whose probability density is given by Also sketch the graphs of the probability density and distribution functions. With reference to Figure 3.9, find expressions for the values of the distribution function of the mixed random variable X for (a) x ≤ 0; (b) 0< x< 0.5; (c) 0.5 F x< 1; (d) x ≥ 1. Figure 3.9
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