A uniform distribution Figure 3.7 (on the facing page)

Chapter 3, Problem 3.7

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A uniform distribution Figure 3.7 (on the facing page) shows the density curve for a uniform distribution. Th is curve has height 1 over the interval from 0 to 1 and is zero outside that range. Use this density curve to answer the following questions. (a) Why is the height of the curve equal to 1? (b) Recall that the mean of a density curve is the balance point. What is the value of the mean of this uniform distribution? (c) What is the median? What property of this density curve tells you that the mean and median are related? (d) What percent of the observations lie between 0 and 0.4? Explain.

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