Question: Please help me understand better how to solve this step by step. Let a and b be any real numbers and let x = (11,122

Please help me understand better how to solve this step by step.

Let a and b be any real numbers and let x = (11,122 ...,x,-, ux\") be a data set with a sample mean a? and a sample variance 3%. Show that if Y: = (xi + b), then 5; = 3,5

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