Math

StatisticsQ&A LibraryHow long does it take to finish the 1161-mile Iditarod Dog Sled Race from Anchorage to Nome, Alaska? Finish times (to the nearest hour) for 57 dogsled teams are shown below. 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. (b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Give relative frequencies to 2 decimal places.)Question

How long does it take to finish the 1161-mile Iditarod Dog Sled Race from Anchorage to Nome, Alaska? Finish times (to the nearest hour) for 57 dogsled teams are shown below.

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.

(b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Give relative frequencies to 2 decimal places.)

1 Rating

Tagged in

Find answers to questions asked by student like you

Q: What kind of plot is useful for deciding whether it is reasonable to find a regression to find a reg...

A: Scatterplot matrix:A scatterplot matrix is an array or a collection of scatterplots, consisting of a...

Q: Detecting Fraud The Brooklyn District Attorney’s office analyzed the leading (leftmost) digits of ch...

A: (a)Define the random variable x as the number of checks with the leading digit as 1. Here, the numbe...

Q: Preliminary data analyses indicate that you can reasonably use a t-test to conduct each of the hypot...

A: From the given information, the sample size 25.Using EXCEL function, “AVERAGE(A1:A25)”, the mean is ...

Q: A data set with whole numbers has a low value of 20 and a high value of 89.Find the class width for ...

A: Click to see the answer

Q: Suppose x1 and x2 are predictor variables for a response variable y. a. The distribution of all poss...

A: a).Conditional distribution:In multiple regression, the conditional distribution is the distribution...

Q: Lightning Deaths The accompanying bar chart shows the numbers of lightning strike deaths broken down...

A: The bar chart for the number of lightning strike deaths broken down by gender for a recent period of...

Q: Testing Claims About Proportions. In Exercises 7–22, test the given claim. Identify the null hypothe...

A: a.State the test hypotheses.Let the first population denote Burger King and the second population de...

Q: In each of Problems, we have provided a scenario for a confidence interval. Decide, in each case, wh...

A: The following assumptions are required for the large sample confidence interval about mean to be val...

Q: Another type of confidence interval is called a one-sided confidence interval. A one-sided confidenc...

A: Given dataTotal sample size = 1039sample mean(x̅) = 704.00sample standard deviation = 477.9895% conf...