ive pulse rates are randomly selected from a set of measurements. The five pulse rates have a mean of 72.8 beats per minute. Four of the pulse rates are 79​, 69​, 84​, and 55. a. Find the missing value. b. Suppose that you need to create a list of n values that have a specific known mean. Some of the n values can be freely selected. How many of the n values can be freely assigned before the remaining values are​ determined? (The result is referred to as the number of degrees of​ freedom.)

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