Note: Give step-by-step solution and please ASAP.

Problem:

In Table, the weights of 40 male students at State University are recorded to the nearest pound.

138 164 150 132 144 125 149 157 146 158 140 147 136 148 152 144 168 126 138 176 163 119 154 165 146 173 142 147 135 153 140 135 161 145 135 142 150 156 145 128

(a) Find the mean and standard deviation for the data. (b) Construct a frequency distribution for the data, and find the standard deviation. (c) Compare the result of (b) with that of (a).