Question: The two data sets in the table below are dependent random samples... The population of (m H y) differences is approximately normally distributed. XE63 .

The two data sets in the table below are dependent random samples... The population of (m H y) differences is approximately normally distributed. XE63 . 55 3'3 ' 30' = y F- For all three parts below, round your answers to 3 places after the decimal point, if necessary 65 : 58 3 2'5 3'5 : a 55\"" (a) Find the value of if . (b) Find the value of 5d. 5d: (c) Construct a 80% condence interval for the mean difference. If it is not appropriate to construct a confidence interval in this situation, then enter "0" in both answer boxes below. 80% confidence interval: ( l, ')

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