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    how to find p-value for two dependent sample test.. how to figure it out using ti-83?

    my professor is comparing the prices for 70 brand new vs. used book prices. for brand new books the total is $6666.55 and used is $6311.68. he is using the t test function to find the answer. he stated : h0: u>0 (no, on average, used book are equal to or greater than brand new) h0: u<0 (yes...
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