The U.S. Department of Transportation provides the number of miles that residents of the ...

     The U.S. Department of Transportation provides the number of   miles that residents of the 75 largest metropolitan areas travel per day in a   car. Independent simple random samples for both Buffalo and Boston are   located in the Excel Online file below. Construct a spreadsheet to answer the   following questions.   a) What is   the point estimate of the difference between the mean number of miles that   Buffalo residents travel per day and the mean number of miles that Boston   residents travel per day?( 1 decimal place   b) What is   the 95% confidence interval for the difference between the two population   means? (1 decimal place)   Buffalo Boston    28 25    27 14    39 11    23 19    17 19    16 4    21 9    31 12    1 12    22 6    32 32    32 26    24 21    42 16    38 17    29 18    16 16    12 20    29 20    16 11    18 10    27 18    2 11    21 17    35 20    21 20    29 25    24 16    17 17    21 8    38     21     9     24     31     26     16     27     24     18     24     17     13     15     21     21     21     32     27     35