Graded homework 2 - Graded homework 2 Question 1 1 Finish times(to the nearest hour for 10 dogsled teams are shown below Make a frequency table showing

Graded homework 2 - Graded homework 2 Question 1 1 Finish...

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Graded homework 2 Question 1 1. Finish times (to the nearest hour) for 10 dogsled teams are shown below. Make a frequency table showing class limits, class boundaries, midpoints, frequency, relative frequencies, and cumulative frequencies. Use three classes. (Round your answer for relative frequency to the nearest hundredth and for midpoint to the nearest tenth.) 308 262 310 268 299 249 257 286 236 278 2. Class Limits Boundaries Midpoint Freq. Relative Freq. Cumulative Freq. 236 260 235.5 260.5 248 3 0.3 3 261 284 260.5 284.5 273 3 0.3 6 285 308 284.5 308.5 297 4 0.4 10 Class Limits Boundaries Midpoint Freq. Relative Freq. Cumulative Freq. 236 260 235.5 260.5 248 3 0.3 3 261 285 260.5 285.5 273 3 0.3 6 286 310 285.5 310.5 298 4 0.4 10 Class Limits Boundaries Midpoint Freq. Relative Freq. Cumulative Freq. 236 260 235.5 260.5 248 4 0.3 3 261 284 260.5 285.5 273 5 0.3 6 285 310 285.5 310.5 297 5 0.4 10 Class Limits Boundaries Midpoint Freq. Relative Freq. Cumulative Freq. 236 260 235.5 260.5 248 4 0.3 3 261 284 260.5 284.5 273 5 0.3 6 285 308 284.5 308.5 297 5 0.4 10 none of theses choices 1 points
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Question 2 1. Finish times (to the nearest hour) for 57 dogsled teams are shown below. Draw a histogram. Use five classes. 261 271 236 244 280 296 284 298 290 290 249 256 338 360 341 333 261 267 287 296 313 311 308 308 299 303 277 283 304 305 289 290 289 290 297 299 332 330 309 329 308 329 285 291 295 298 306 315 310 318 318 320 333 321 323 324 327 2. 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 4 0.07 4 261 285 260.5 285.5 273 9 0.16 13 286 310 285.5 310.5 298 25 0.44 38 311 335 310.5 335.5 323 16 0.28 54 336 360 335.5 360.5 348 3 0.05 57 3.
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1 points Question 3 1. Finish times (to the nearest hour) for 60 dogsled teams are shown below. Use five classes. Categorize the basic distribution shape as uniform or rectangular, mound-shaped symmetric, bimodal, skewed left, or skewed right.
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Bimodal Uniform or rectangular mound-shaped symmetric Skewed right none of these choices 1 points Question 4 1. Finish times (to the nearest hour) for 57 dogsled teams are shown below. Use five classes. Categorize the basic distribution shape as uniform, mound-shaped symmetric, bimodal, skewed left, or skewed right. The relative frequency histogram of the above data is given below. approximately skewed left approximately bimodal approximately uniform or rectangular approximately mound-shaped symmetric approximately skewed right 1 points
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Question 5 1. Assume that the following data represent baseball batting averages (multiplied by 1000) for a random sample of National League players near the end of the baseball season. The frequency table showing class limits, class boundaries, midpoints and frequency is given below. Draw a histogram. Class Limits Boundaries Midpoint Frequency 107 149 106.5 149.5 128.0 3 150 192 149.5 192.5 171.0 4 193 235 192.5 235.5 214.0 3 236 278 235.5 278.5 257.0 10 279 321 278.5 321.5 300.0 6 2.
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none of these choices 1 points Question 6 1. At Westgate Community College, a survey was done to determine when students are available for class. A questionnaire was given to a random sample of students. The instructions were to mark each of the time categories in which they could take classes.
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