a) the amount spent on the item whose standard mean was -2.09
b )the standard mean in the purchase of the item whose amount spent was $ 160
a) the amount spent on the item whose standard mean was -2.09 b )the standard mean in the purchase of the item whose amo
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answerhappygod
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a) the amount spent on the item whose standard mean was -2.09 b )the standard mean in the purchase of the item whose amo
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