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X 8.2.15-T Question Help A marketing researcher wants to estimate the mean savings ($) realized by shoppers who showroom. Sho

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P9 No Answer:- Given that, Mean ) $57 Standard deviation (5) $5) For Sample size (n)-81 957. confidence Interval is Eatkala,Pgno (2) At 9561 confidence Interval is ł t tala, af x 3 = 574 1.990x 51 = 58+1.990 x 56667 57 + 11.2767 157-11.2767, 52+11.2

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