How long does it take to finish the 1 161 mile Iditarod Dog Sled Race from Anchorage to Nome Alaska Finish times to the near hour for 57 dogsled teams are shown below 260 272 237 243 278 334 262 265 288 295 314 310 308 289 289 289 290 299 305 316 309 319 317 319 332 322 USE SALT For this problem use five classes a Find the class width 295 285 300 287 289 248 257 339 359 342 0 1 0 0 308 298 304 276 284 303 304 298 298 333 329 310 329 308 329 322 323 328 b Make a frequency table showing class limits class boundaries midpoints frequencies relative frequencies and cumulative frequencies Round your relative frequencies to four decimal places 000 000 Class Limits Class Boundaries Midpoint Frequency Relative Frequency Cumulative Frequency 286 292 294 000 000