Mathematics, 09.07.2019 12:00 sampurple123

List a has 10 values, with average 82.2 and standard deviation 15.0. list b has 8 values, with average 106 and standard deviation 20.0. (a) suppose that the two lists are combined to produce a new list of 18 values. what is the average (mean) of this new list?

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List a has 10 values, with average 82.2 and standard deviation 15.0. list b has 8 values, with avera...

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