The accompanying data file contains three variables, x, Click here for the Excel Data File X21 Number of observations assigned to group 2 and x3. a. Bin the values of x into three equal-size groups. Label the groups with numbers 1 (lowest values) to 3 (highest values). How many observations are assigned to group 2? b. Bin the values of x2 into three equal-interval groups. Label the groups with numbers 1 (lowest values) to 3 (highest values). How many observations are assigned to group 3? c. Bin the values of x3 into the following three groups: 100,000. Label the groups with numbers 1 (lowest values) to 3 (highest values). How many observations are assigned to group 1? Number of observations assigned to group 1 1 x1 HEM 6 00 4 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 22 A 119 148 140 128 108 155 166 213 156 118 158 141 162 117 134 177 117 175 139 166 120 167 142 130 131 160 98 140 166 167 146 2 x3 23 22 26 39 14 20 24 37 10 17 19 36 29 16 14 17 16 15 1000 19 49000 23 174000 23 28000 26 75000 22 148000 24 175000 14 155000 39 80000 26 76000 43 98000 27 164000 34 151000 31 146000 174000 1000 123000 17000 Ta 0 95000 133000 48000 55000 162000 17000 106000 63000 66000 81000 90000 132000