It seems that 14% of engaged women buy a wedding dress at least one size smaller than their current size in the hopes that they will lose weight before their wedding day. Below is a sample of 8 women with their weight recorded in lbs. on the day that they purchased their dress and again on the day of their wedding. a) Complete the table below and compute the standard deviation of the difference (SD). (3 marks) Subject Date of.. . N0. Purchase Wedding D D MD (D M D)2 1 163 153 2 144 140 3 151 150 4 120 113 5 136 133 6 153 152 7 155 151 8 145 146 2 IT; b) Use a one-tailed test with on = .05 to determine whether the women lost weight before their wedding day. (9 marks]|