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Finish Times (To the Nearest Hour) for 60 Dogsled Teams

question 4

Multiple Choice

Finish times (to the nearest hour) for 60 dogsled teams are shown below. Use five classes. Categorize the basic distribution shape as uniform, mound-shaped symmetric, bimodal, skewed left, or skewed right. 261271236244279296284299288288247256338360341333261266287296313311307307279283277283285275259239288289297299341358257328244328245258259259319315339359347348333321323324327349351355\begin{array} { l l l l l l l l l l l l } 261 & 271 & 236 & 244 & 279 & 296 & 284 & 299 & 288 & 288 & 247 & 256 \\338 & 360 & 341 & 333 & 261 & 266 & 287 & 296 & 313 & 311 & 307 & 307 \\279 & 283 & 277 & 283 & 285 & 275 & 259 & 239 & 288 & 289 & 297 & 299 \\341 & 358 & 257 & 328 & 244 & 328 & 245 & 258 & 259 & 259 & 319 & 315 \\339 & 359 & 347 & 348 & 333 & 321 & 323 & 324 & 327 & 349 & 351 & 355\end{array} The relative frequency histogram of the above data is given below.
 Finish times (to the nearest hour)  for 60 dogsled teams are shown below. Use five classes. Categorize the basic distribution shape as uniform, mound-shaped symmetric, bimodal, skewed left, or skewed right.  \begin{array} { l l l l l l l l l l l l }  261 & 271 & 236 & 244 & 279 & 296 & 284 & 299 & 288 & 288 & 247 & 256 \\ 338 & 360 & 341 & 333 & 261 & 266 & 287 & 296 & 313 & 311 & 307 & 307 \\ 279 & 283 & 277 & 283 & 285 & 275 & 259 & 239 & 288 & 289 & 297 & 299 \\ 341 & 358 & 257 & 328 & 244 & 328 & 245 & 258 & 259 & 259 & 319 & 315 \\ 339 & 359 & 347 & 348 & 333 & 321 & 323 & 324 & 327 & 349 & 351 & 355 \end{array}  The relative frequency histogram of the above data is given below.   A) mound-shaped symmetric B) none of these choices C) Bimodal D) Uniform or rectangular E) Skewed right


Definitions:

Sample Means

The arithmetic average of a set of values or observations, derived from a subset of a larger population.

Control Limits

The boundaries of acceptable variation in a process, used in statistical process control charts.

Chance Variation

The unpredictable fluctuations or differences that are observed in different samples from the same population, even under the same conditions.

Production Process

The series of steps and procedures involved in the creation of a product from raw materials.

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