Posted by **Kim** on Sunday, December 19, 2010 at 6:05pm.

Finish times (to the nearest hour) for 59 dogsled teams are shown below. Draw a histogram. Use five classes.

261

269

236

244

280

296

284

297

290

290

247

256

338

360

341

333

261

267

287

296

313

311

309

309

299

303

277

283

304

305

286

290

286

287

297

299

332

330

309

326

309

326

285

291

295

298

306

315

310

318

318

320

333

321

323

324

327

239

358

The frequency table for the above data is given below.

Class Limits

Boundaries

Midpoint

Freq.

Relative Freq.

Cumulative Freq.

236 260

235.5 260.5

248

5

0.08

5

261 285

260.5 285.5

273

9

0.15

14

286 310

285.5 310.5

298

25

0.42

39

311 335

310.5 335.5

323

16

0.27

55

336 360

335.5 360.5

348

4

0.07

59

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