buena school district chicago
TRANSCRIPT
Frequency Distribution - Quantitative
Maintenance lower upper midpoint width frequency320 < 340 330 20 3 340 < 360 350 20 3 360 < 380 370 20 1 380 < 400 390 20 8 400 < 420 410 20 5 420 < 440 430 20 12 440 < 460 450 20 12 460 < 480 470 20 15 480 < 500 490 20 7 500 < 520 510 20 8 520 < 540 530 20 1 540 < 560 550 20 3 560 < 580 570 20 2
80
Descriptive statistics
Maintenance count 80 mean 450.29 sample variance 2,882.18 sample standard deviation 53.69 minimum 329 maximum 570 range 241
1st quartile 420.00
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20Histogram
Maintenance
Per
cent
median 456.00 3rd quartile 489.75 interquartile range 69.75 mode 329.00
low extremes 0 low outliers 0 high outliers 0 high extremes 0
Frequency Distribution - Quantitative
Maintenance lower upper midpoint width frequency300 < 350 325 50 3 350 < 400 375 50 12 400 < 450 425 50 22 450 < 500 475 50 29 500 < 550 525 50 11 550 < 600 575 50 3
80
Frequency Distribution - Quantitative
Maintenance lower upper midpoint width frequency325 < 360 343 35 6 360 < 395 378 35 8 395 < 430 413 35 12 430 < 465 448 35 20 465 < 500 483 35 20
300
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40Histogram
Maintenance
Per
cent
500 < 535 518 35 9 535 < 570 553 35 4 570 < 605 587 35 1
80
Descriptive statistics
Miles count 80 mean 827.53 sample variance 1,188.20 sample standard deviation 34.47 minimum 741 maximum 908 range 167
1st quartile 806.00 median 827.00 3rd quartile 851.50 interquartile range 45.50 mode 815.00
low extremes 0 low outliers 0 high outliers 0 high extremes 0
1/28/2010 16:03.39 (1)
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30Histogram
Maintenance
Per
cent
600 650 700 750 800 850 900 950
BoxPlot
Miles
Descriptive statistics
Miles count 80 mean 827.53 sample variance 1,188.20 sample standard deviation 34.47 minimum 741 maximum 908 range 167
1st quartile 806.00 median 827.00 3rd quartile 851.50 interquartile range 45.50 mode 815.00
low extremes 0 low outliers 0 high outliers 0 high extremes 0
1/28/2010 16:06.08 (1)
1/28/2010 16:06.08 (1)
Descriptive statistics
600 650 700 750 800 850 900 950
BoxPlot
Miles
600 650 700 750 800 850 900 950
BoxPlot
Miles
600 650 700 750 800 850 900 950
DotPlot
Miles
Miles count 80 mean 830.11 sample variance 1,779.85 sample standard deviation 42.19 minimum 741 maximum 1008 range 267
1st quartile 806.00 median 827.00 3rd quartile 851.50 interquartile range 45.50 mode 815.00
low extremes 0 low outliers 0 high outliers 1 high extremes 1
1/28/2010 16:08.20 (1)
1/28/2010 16:08.20 (1)
Correlation Matrix
Maintenance Age MilesMaintenance 1.000
Age .465 1.000 Miles .450 .522 1.000
80 sample size
± .220 critical value .05 (two-tail)
600 650 700 750 800 850 900 950 1000 1050
BoxPlot
Miles
600 650 700 750 800 850 900 950 1000 1050
DotPlot
Miles
± .286 critical value .01 (two-tail)
cumulativepercent frequency percent
3.8 3 3.8 3.8 6 7.5 1.3 7 8.8
10.0 15 18.8 6.3 20 25.0
15.0 32 40.0 15.0 44 55.0 18.8 59 73.8
8.8 66 82.5 10.0 74 92.5
1.3 75 93.8 3.8 78 97.5 2.5 80 100.0
100.0
cumulativepercent frequency percent
3.8 3 3.8 15.0 15 18.8 27.5 37 46.3 36.3 66 82.5 13.8 77 96.3
3.8 80 100.0 100.0
cumulativepercent frequency percent
7.5 6 7.5 10.0 14 17.5 15.0 26 32.5 25.0 46 57.5 25.0 66 82.5
11.3 75 93.8 5.0 79 98.8 1.3 80 100.0
100.0
Data Set 3 --Buena School District Bus DataBus Number Maintenance Age Miles Type Bus-Mfg Passenger
135 329 7 853 Diesel Bluebird 55 Passenger120 503 10 883 Diesel Keiser 42 Passenger200 505 10 822 Diesel Bluebird 55 Passenger40 466 10 865 Gasoline Bluebird 55 Passenger
427 359 7 751 Gasoline Keiser 55 Passenger759 546 8 870 Diesel Keiser 55 Passenger10 427 5 780 Gasoline Keiser 14 Passenger
880 474 9 857 Gasoline Keiser 55 Passenger481 382 3 818 Gasoline Keiser 6 Passenger387 422 8 869 Gasoline Bluebird 55 Passenger326 433 9 848 Diesel Bluebird 55 Passenger861 474 10 845 Gasoline Bluebird 55 Passenger122 558 10 885 Gasoline Bluebird 55 Passenger156 561 12 838 Diesel Thompson 55 Passenger887 357 8 760 Diesel Bluebird 6 Passenger686 329 3 741 Diesel Bluebird 55 Passenger490 497 10 859 Gasoline Bluebird 55 Passenger370 459 8 826 Gasoline Keiser 55 Passenger464 355 3 806 Gasoline Bluebird 55 Passenger875 489 9 858 Diesel Bluebird 55 Passenger883 436 2 785 Gasoline Bluebird 55 Passenger57 455 7 828 Diesel Bluebird 55 Passenger
482 514 11 980 Gasoline Bluebird 55 Passenger704 503 8 857 Diesel Bluebird 55 Passenger989 380 9 803 Diesel Keiser 55 Passenger731 432 6 819 Diesel Bluebird 42 Passenger75 478 6 821 Diesel Bluebird 55 Passenger
162 406 3 798 Gasoline Keiser 55 Passenger732 471 9 815 Diesel Keiser 42 Passenger751 444 2 757 Diesel Keiser 14 Passenger600 493 10 1008 Diesel Bluebird 55 Passenger948 452 9 831 Diesel Keiser 42 Passenger358 461 6 849 Diesel Bluebird 55 Passenger833 496 8 839 Diesel Thompson 55 Passenger692 469 8 812 Diesel Bluebird 55 Passenger61 442 9 809 Diesel Keiser 55 Passenger9 414 4 864 Gasoline Keiser 55 Passenger
314 459 11 859 Diesel Thompson 6 Passenger396 457 2 815 Diesel Thompson 55 Passenger
X1 X2 X3 X4 X5 X6 X7
365 462 6 799 Diesel Keiser 55 Passenger398 570 9 844 Diesel Thompson 14 Passenger43 439 9 832 Gasoline Bluebird 55 Passenger
500 369 5 842 Gasoline Bluebird 55 Passenger279 390 2 792 Diesel Bluebird 55 Passenger693 469 9 775 Gasoline Keiser 55 Passenger884 381 9 882 Diesel Bluebird 55 Passenger977 501 7 874 Diesel Bluebird 55 Passenger38 432 6 837 Gasoline Keiser 14 Passenger
725 392 5 774 Diesel Bluebird 55 Passenger982 441 1 823 Diesel Bluebird 55 Passenger724 448 8 790 Diesel Keiser 42 Passenger603 468 4 800 Diesel Keiser 14 Passenger168 467 7 827 Gasoline Thompson 55 Passenger45 478 6 830 Diesel Keiser 55 Passenger
754 515 14 895 Diesel Keiser 14 Passenger39 411 6 804 Gasoline Bluebird 55 Passenger
671 504 8 866 Gasoline Thompson 55 Passenger418 504 9 842 Diesel Bluebird 55 Passenger984 392 8 851 Diesel Bluebird 55 Passenger953 423 10 835 Diesel Bluebird 55 Passenger507 410 7 866 Diesel Bluebird 55 Passenger540 529 4 846 Gasoline Bluebird 55 Passenger695 477 2 802 Diesel Bluebird 55 Passenger193 540 11 847 Diesel Thompson 55 Passenger321 450 6 856 Diesel Bluebird 6 Passenger918 390 5 799 Diesel Bluebird 55 Passenger101 424 4 827 Diesel Bluebird 55 Passenger714 433 7 817 Diesel Bluebird 42 Passenger678 428 7 842 Diesel Keiser 55 Passenger768 494 7 815 Diesel Bluebird 42 Passenger29 396 6 784 Gasoline Bluebird 55 Passenger
554 458 4 817 Diesel Bluebird 14 Passenger767 493 6 816 Diesel Keiser 55 Passenger699 475 9 816 Gasoline Bluebird 55 Passenger954 476 10 827 Diesel Bluebird 42 Passenger705 403 4 806 Diesel Keiser 42 Passenger660 337 6 819 Gasoline Bluebird 55 Passenger520 492 10 836 Diesel Bluebird 55 Passenger814 426 4 757 Diesel Bluebird 55 Passenger353 449 4 817 Gasoline Keiser 55 Passenger