Do the data shown in the table below indicate an association between Waist size and % Body Fail.
a) Test an appropriate hypothesis and state your conclusion.
b) Give a 95% confidence interval for the mean % Body Fat found in people with a 40-inch Waist.

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Waist Weight Body Fat Waist Weight Body Fat (in.) (lb) 32 175 36 181 38 200 33 159 39 196 40 192 41 205 35 173 38 187 38 188 1%) (in.) (Ib) 188 240 175 168 246 160 41 215 159 146 219 21 20 32 21 25 27 12 10