Here is a sample data set.278.9 279.6 309.6 | 313.6 328.6359370.4 378.1386.8 404.3 413.2 421.9431.2 431.2 431.2 438.4 442.9443449.9452456.6 461.4 465.2 475.9498.7 508.7 517.2 517.2519 520.8521.8 522.2 522.5 526.4 | 527.1 535.4536.5 || 536.9537 540540540542.4 542.8 551.4 558.8 565.1 565.5566.6 568.2 568.7 569.5 571.4 | 572.61816141210842250300350400450500550600length (cm)Find the minimum for this data set.min =Find the first quartile for this data set.Find the median for this data set.Mdn =Kouənbəs. Find the third quartile for this data set.Q3 =Find the maximum for this data set.max%D

Here minimum observation is 278.9 So, min = 278.9 We know that, Q1= (n+1)/4th term Here sample size…

Here is a sample data set. 278.9 279.6 309.6 313.6 328.6 359 370.4 378.1 386.8 404.3 413.2 421.9 431.2 431.2 431.2 438.4 442.9 443 449.9 452 456.6 461.4 465.2 | 475.9 498.7 508.7 517.2 517.2 519 520.8 521.8 522.2 522.5 526.4 527.1 535.4 536.5 536.9 537 540 540 540 542.4 542.8 551.4 558.8 | 565.1 565.5 566.6 568.2 568.7 569.5 571.4 572.6 18 16 14 12 10 8 6. 2 250 300 350 400 450 500 550 600 length (cm) Find the minimum for this data set. min = Find the first quartile for this data set. Q1 %3D Find the median for this data set. Mdn = Frequency

Here is a sample data set. 278.9 279.6 309.6 313.6 328.6 359 370.4 378.1 386.8 404.3 413.2 421.9 431.2 431.2 431.2 438.4 442.9 443 449.9 452 456.6 461.4 465.2 | 475.9 498.7 508.7 517.2 517.2 519 520.8 521.8 522.2 522.5 526.4 527.1 535.4 536.5 536.9 537 540 540 540 542.4 542.8 551.4 558.8 | 565.1 565.5 566.6 568.2 568.7 569.5 571.4 572.6 18 16 14 12 10 8 6. 2 250 300 350 400 450 500 550 600 length (cm) Find the minimum for this data set. min = Find the first quartile for this data set. Q1 %3D Find the median for this data set. Mdn = Frequency

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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You intend to estimate a population mean u from the following sample. 47.9 45.3 48.7 43.7 57 42.8 32.8 73.4 8.8 48.6 69 45.1 42.9 35.3 52.2 53.3 39.9 53.2 43.8 44.1 32.9 43.8 37 54.3 54.2 58.2 45.9 65.2 48.2 69.1 57.3 47.4 54 46.4 21.9 65.1 53.2 47.4 60.7 30.7 39.7 55.4 43.9 59 34.4 37.2 48.4 50.6 61.3 34.5 66.7 51.4 39 55.4 38.2 54.5 45.6 31.5 Find the 90% confidence interval. Enter your answer as a tri-linear inequality accurate to two decimal places (because the sample data are reported accurate to one decimal place). Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.
Here is a sample data set. 335.4 336.2 348.8 352.9 353.9 361.7 368.4 373.8 380.7 389.1 389.6 389.9 393.5 396.1 396.5 400.7 402.0 403.4 403.6 404.1 404.1 404.9 408.6 409.3 409.9 410.4 413.9 414.3 419.4 428.9 431.2 432.1 442.4 442.4 442.4 442.8 485.1 489.0 489.2 489.8 491.8 362.7 367.4 368.1 386.1 386.1 386.1 388.0 Frequency = = 448.1 450.1 459.5 470.8 485.1 .8 493.1 = 20 = 15 Find the minimum for this data set. min 10 5 Find the first quartile for this data set. Q₁ max = 300 350 400 450 500 length (cm) Find the median for this data set. Mdn Find the third quartile for this data set. Q3 Find the maximum for this data set.
You may need to use the appropriate technology to answer this question. Suppose the mean price for used cars is $10,198. A manager of a Kansas City used car dealership reviewed a sample of 50 recent used car sales at the dealership in an attempt to determine whether the population mean price for used cars at this particular dealership differed from the national mean. The prices for the sample of 50 cars are shown in the file named UsedCars. 12,400 10,400 12,100 10,000 11,000 8,895 7,675 9,975 6,350 10,470 9,895 11,250 8,795 12,500 9,340 10,150 9,200 9,395 11,000 10,640 10,000 7,500 8,000 10,440 10,200 10,300 9,740 9,280 10,930 8,000 9,000 7,680 9,400 10,730 7,350 12,240 11,970 8,240 9,910 10,080 9,440 8,970 9,500 10,050 10,130 11,400 8,500 7,500 9,090 10,500 (a) Formulate the hypotheses that can be used to determine whether a difference exists in the mean price for used cars at the dealership. H0: μ ≤ 10,198 Ha: μ > 10,198 H0: μ = 10,198 Ha: μ ≠ 10,198 H0: μ…
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Here is a sample data set. Frequency = 238.4 238.6 272.3 280.6 288.1 291.1 296.8 303.8 308.5 316.5 320.1 360.4 360.4 360.4 363.9 364.3 377.1 378.6 380.4 381.6 388.1 390.2 392.1 404.2 405.3 405.3 406.1 408.5 409 412.4 414.4 416.1 419.7 419.8 422 423.8 424.6 424.6 424.6 427 430.7 439.9 440 459.7 466 471 488.1 491 494.9 498.4 508.1 420.8 = 20 15 10 Find the first quartile for this data set. Q₁ = 5 200 250 300 350 400 450 500 550 length (cm) Find the third quartile for this data set. Q3 Find the interquartile range for this data set. IQR 339 368 Find the lower fence separating outliers from usual values. Fence Low = Find the upper fence separating outliers from usual values. Fence high =
The mean price for used cars is $10,145 . A manager of a Kansas City used car dealership reviewed a sample of 50 recent used car sales at the dealership in an attempt to determine whether the population mean price for used cars at this particular dealership differed from the national mean. The prices for the sample of 50 cars are shown in the table below. 11,359 10,829 10,380 11,454 13,176 8,397 12,559 6,594 11,558 12,653 10,750 6,319 12,018 11,176 11,644 8,221 12,408 11,007 10,063 8,583 12,736 8,142 12,681 6,435 6,297 6,906 11,064 12,476 12,103 6,240 6,668 7,427 13,041 11,237 7,131 10,306 8,228 10,245 7,683 9,775 11,166 6,524 6,487 8,317 11,815 9,836 10,249 11,173 7,156 8,307 b. What is the p-value? Enter negative value if your answer is negative. t-value (to 3 decimals)
According to the National Automobile Dealers Association, the mean price for used cars is $10,192. A manager of a Kansas City used car dealership reviewed a sample of 50 recent used car sales at the dealership in an attempt to determine whether the population mean price for used cars at this particular dealership is below the national mean. The prices for the sample of 50 cars are shown in the file named UsedCars. 12400 10400 12100 10000 11000 8895 7675 9975 6350 10470 9895 11250 8795 12500 9340 10150 9200 9395 11000 10640 10000 7500 8000 10440 10200 10300 9740 9280 10930 8000 9000 7680 9400 10730 7350 12240 11970 8240 9910 10080 9440 8970 9500 10050 10130 11400 8500 7500 9090 10500 d. Report the critical value(s) associated with a 5% level of significance. What is your decision based on the critical value approach? (Reject Ho or fail to reject Ho?) e. Compute the p-value of the…
Here is a sample data set (n = 48) that is nearly normal. 51 52 44.4 46.9 48.2 48.8 52 52.4 52.4| 53.4 51 53.5 54.3 55.1 57.3 58.2 58.4 58.6 58.6 58.8 59.2 60.5 60.8 61.4 61.8 62.7 63.3 63.5 64.2 65.7 65.7 66.2 66.9 67.6 69.8 70.3 70.7 72.7 73.2 67 68.3 74 How many outliers are in this data set? ans = 52 57.3 59.8 63.5 68 77.8
Here is a sample data set. DO THIS BY HAND, WITHOUT USING TECHNOLOGY. 334.9 337.5 340.2 352.8 356.2 356.3 360.3 361.4 363.9 366.6 367.9 369.7 371.4 371.4 371.4 371.5 371.8 372.3 373.4 373.5 375.5 375.9 378.9 379 380.3 380.3 381.3 381.3 384.9 387.4 388.7 389 392.1 393.3 393.7 394.6 394.6 396.6 397.4 397.5 397.5 397.5 400.1 406.1 420.2 429.1 429.5 430 432 441.2 445 445.9 447.3 449.7 Find the first quartile for this data set.Q1 = Find the third quartile for this data set.Q3 = Find the interquartile range for this data set. IQR = Q3 - Q1IQR =
Here is a sample data set. 400 404.8 409.1 409.5 413.1 413.8 418.5 424.7 428.9 432.3 436.1 437.5 440 440 440 441.1 442.4 444.3 445.6 446.1 448 448.8 449.7 450.9 451 453.2 462.3 462.3 462.7 463.6 464.2 465.5 466.7 466.7 467.2 467.7 470.3 472.3 472.6 473.3 473.3 473.3 478.7 479.1 479.3 480.8 485.1 486 490.4 493.1 495.2 496 501.7 506.6 5 10 15 20 25 length (cm) 400 450 500 550 Frequency [Graphs generated by this script: setBorder(54,40,20,15); initPicture(355,550,0,29);axes(1013.2,5,1,null,5); fill="blue"; stroke="black"; textabs([165,0],"length (cm)","above");line([400,-0.58],[400,0.58]); text([400,0],"400","below");line([450,-0.58],[450,0.58]); text([450,0],"450","below");line([500,-0.58],[500,0.58]); text([500,0],"500","below");line([550,-0.58],[550,0.58]); text([550,0],"550","below");textabs([0,115],"Frequency","right",90);rect([400,0],[450,23]);rect([450,0],[500,29]);rect([500,0],[550,2]);] Find the first quartile for this data set. Q1 = 440 Correct Find the third quartile for…