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.L261 271 236 244 279 296 284 299 288288 247 256 338 360 341 333 261 266287 296 313 311 307 307290 288307299 303 277283289 297 299304 305 288330 309 328328285291 295332298 306 315 310 318 318 320323 324 327333 321USE SALTFor this problem, use five classes.(a) Find the class width.

Answered: Image /qna-images/answer/9db07822-29cc-4c52-beef-0e94b4a8b70e.jpg

Answered: How long does it take to finish the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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These questions are available for instructors to help assess if you have successfully met thelearning objectives for this section. Which number contains three significant digits?a. 0.0240 b. 240 c. 0.24 d. 24,000
Find the population density, to the nearest tenth, for each of the following states. Which state has the greater population density? mile inhabit the state with the greater density than inhabit the state with the lesser density? State A population: 12,881,890 State B population: 11,596,347 area: 56.511 mi- area: 42,829 mi The population density for state A is people per square mile. (Round to the nearest tenth as needed.) The population density for state B is people per square mile. (Round to the nearest tenth as needed.) Which state has the greater population density? How many more people per square mile inhabit the state with the greater density t density? Choose the correct answer below and fill in the answer box to complete your answer. (Round to the nearest tenth as needed.) O A. State A has the greater population density by people per square mile. O B. State B has the greater population density by people per square mile.
Given: Data 32 35 37 Find quartile1 45 45 47 49 52 57 58 58 59 63 65 68 68 71 75 77 85 86 86 86 88 89 90 92 99
Given: Data 32 35 37 Find Deviasion s 45 45 47 49 52 57 58 58 59 63 65 68 68 71 75 77 85 86 86 86 88 89 90 92 99
You measure the length of 11 bullfrogs (Lithobates (=Rana) catesbeiana), and then measure how for each frog can jump. You get the following results (size in mm, jump distance in cm). Size 155 127 136 135 158 145 136 172 158 162 162 Distance 71.0 70.0 100.0 120.0 103.3 116.0 109.2 105.0 112.5 114.0 122.9 You find the following results: SSx = 2,094.55 SSy = 3,218.99 SScp = 731.36 n = 11 ¯y = 103.99 ¯x = 149.64 SSresid = 2,963.61 a) Give the equation of the least squares line. b) Give both the test statistic and the table value. Make sure you give H0, H1, α, etc. and state your conclusion. c) Make a scatterplot of these data and fit the least squares line. d) Make a residual plot of these data and comment on it. e) Calculate R 2 and explain. Is R 2 even appropriate here (what is your answer to (b)?)
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