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Consider the following set of data. (15, 13), (32, 50), (64, 34), (79, 21), (108, 56),...

Consider the following set of data. (15, 13), (32, 50), (64, 34), (79, 21), (108, 56), (120, 5) (a) Calculate the covariance of the set of data. (Give your answer correct to two decimal places.) (b) Calculate the standard deviation of the six x-values and the standard deviation of the six y-values. (Give your answers correct to three decimal places.) sx = sy = (c) Calculate r, the coefficient of linear correlation, for the data in part (a). (Give your answer correct to two decimal places.)

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We calculate the following (y-i)2 283.361111 (z-x) (y-y) 920.222222 15 32 64 79 108 120 13 50 34 21 56 2988.444444 17.361111Covariance: Sry 1 -38.466667 Covariance-38.47 SSr b) Sample Standard Deviation of x : S,- 41.302139 Sample Standard Deviation

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