n articic gave data on various characteristics of subarvisions that could be use

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n articic gave data on various characteristics of subarvisions that could be used in deoding wncther to provide electrical power using overnead Iincs or underground Lincs. Here bre the valucs of the variabic total length of Streets withinSUSCIvISION 1280 5320 4390 2100 1240 3060 4770 1050 360 3330 3380 340 1000 960 1320 530 3350 540 3870 1250 2400 960 1120 2120 450 2250 2320 2400 3150 S700 S220 500 19S0 2460 5950 2900 2730 1670 100 5770 3150 1990 510 240 396 1419 2109 a stem-and-leaf display using the thousands digit as the stem and the hundreds digit as the leaf. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.) Stems Leaves ComR agota aggatwreséwhe display(elect al that apply.) The display has a positive skew A typical dato valuc is somewhere in the high 3000's The display is symmetric. A typical data value is somewhere in the low 2000's ) Construct a histoaram usina class bodaries 0. 1000. 2000. 3000.4000, 5000, and 6000 What proportion of subdivsins have total length less than 2000? Between 2000 and 4000? (Round your answers to three decimal places.) less than 2000 between 2000 and 4000 Howlai 2ape of the histogram? (Select all that apply.) The display has a positive skew A typical data value is somewhere in the low 2000's. The display has a negotive skew. ical data value is somewhere in the

Explanation / Answer

a)

b)

Histogram is as per option C

There are total 23 subdivisions have lenght less than 2000, proportion = 0.4894

There are total 18 subdivisions have length between 2000 and 4000, proportion = 17/47 = 0.3617

The display has positive skew

Stems Leaves 0 360, 340, 960, 530, 540, 960, 450, 500, 100, 510, 240, 396 1 280, 240, 050, 000, 320, 250, 120, 850, 670, 990, 419 2 100, 120, 250, 400, 250, 320, 400, 460, 900, 730, 109 3 060, 330, 380, 350, 870, 150, 170 4 390, 770 5 320, 700, 220, 950, 770

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