Pro Football and Basketball: Weights of Players Independent random samples of professional football and basketball players gave the following information (References: Sports Encyclopedia of Pro Football and Official NBA Basketball Encyclopedia). Note: These data are also available for download at the Companion Sites for this text. Assume that the weight distributions are moundshaped and symmetric.

Weights (in lb) of pro football players: x₁; n₁ =21

245 262 255 251 244 276 240 265 257 252 282

256 250 264 270 275 245 275 253 265 270

Weights (in lb) of pro basketball players: x₂; n₂= 19

205 200 220 210 191 215 221 216 228 207

225 208 195 191 207 196 181 193 201

a) Verify that ₁ 259.6, s₁ 12.1, x₂ 205.8, s₂ 12.9.