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Unformatted text preview: V f c = 0.1. Find in approximation the mean value and variance of the safety factor SF = f c / S . 2. Daily temperature and humidity are measured each day of a week in August, and the resulting sample is: T ( o F) H(%) 70 81 84 86 79 90 65 77 68 78 86 95 77 86 (a) Plot the sample (Plot H against T). (b) Estimate the mean values and variances of T and H. (Replace the expectation in the definition of m and ! 2 with the sample average) (c) Find the covariance and correlation coefficient between T and H. (Again replace the expectation in the definition of m and ! 2 with the sample average) (d) Suppose that one day temperature is reported to be 80 o F. What would you expect the humidity to be? How much uncertainty would you have on H?...
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- Spring '05