Question

4. O -s points BeunderStat10 21 011 the 1161-mile Iditarod Dog Sled Race from Anchorage to Nome, Alaska? Finish times (to the nearest bour) for 57 dogsled teams are shown below How long does it take to finish t 261 271 236 244 279 296 284 299 288 288 247 256 338 360 341 333 261 266 287 296 313 311 307 307 299 303 277 283 304 305 288 290 288 289 297 299 332 330 309 328 307 328 285 291 295 298 306 315 310 318 318 320 333 321 323 324 327 For this problem, use five classes (a) Find the class width e frequency table showing class limits, class boundaries, midpoints, frequencies,relative frequencles, and cumulative frequencles places.) RelativeCumulative Class Boundaries Midpoint Frequency Frequency Frequency Class Limits (c) Draw a histogram 5 5 285 5 310 5 335 2355 63 Fish Tes 2355 (d) Draw a relative-frequency histogram. (e) Categorize the basic distribution shape. O bimodal O skewed right mound-shaped symmetrical 0 uniform skewed left (t) Draw an ogive. (Graph each point and the closed line segments connecting the points to create your graph.) lash Blayer version t0 or higher is required for this question. You can get Flash Player free from Adobe's website. Need Help? MhTk Tter Ask Yeur leach -666 points E8UnderStano 2200.

Answer 1

data

261
288
287
283
332
298
323
271
247
296
304
330
306
324
236
256
313
305
309
315
327
244
338
311
288
328
310
279
360
307
290
307
318
296
341
307
288
328
318
284
333
299
289
285
320
299
261
303
297
291
333
288
266
277
299
295
321

a)

width = 30

b)

class limit lower	upper	lower boundary	upper	Mid	f	relative freq.	cumulative
230	259	229.5	259.5	244.5	4	0.07	0.07
260	289	259.5	289.5	274.5	15	0.26	0.33
290	319	289.5	319.5	304.5	24	0.42	0.75
320	349	319.5	349.5	334.5	13	0.23	0.98
350	379	349.5	379.5	364.5	1	0.02	1.00
					57	1

c)

Frequency Table 25 Class 230-259 260-289 290-319 320-349 350-379 Count 24 15 24 13 20 15 15 Your Histogram L 10 300.15789 25.53764 0.35301 0.15475 236 360 124 Mean Standard Deviation (s) Skewness Kurtosis Lowest Score Highest Score Distribution Range Total Number of Scores 57 Number of Distinct Scores 45 Lowest Class Value Highest Class Value Number of Classes Class Range 290 380 230 320 260 350 Histogram (Frequency Diagram) 230 379 30

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