An article gave data on various characteristics of subdivisions that could be used in deciding whether to provide electrical power using overhead lines or underground lines. Here are the values of the variable x= total length of streets within a subdivision: 1280 5320 4390 2100 1240 3060 4570 1050 360 3330 3380 340 1000 960 1320 530 3350 540 3870 1250 2400 960 1120 2120 450 2250 2320 2400 3150 5700 5220 500 1850 2460 5950 2900 2730 1670 100 5770 3150 1990 510 240 396 1419 2109 (a) Construct 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 123334555599 00122234688 2 1112344477 3 0113338 4 35 5 23779 Comment on the various features of the display. (Select all that apply.) O A typical data value is somewhere in the high 3000's. V The display has a positive skew. A typical data value is somewhere in the low 2000's. O The display is symmetric. O The display has a negative skew. (b) Construct a histogram using class boundaries 0, 1000, 2000, 3000, 4000, 5000, and 6000. Frequency Frequency 12 12 10 10 8 6 6 4 Total Tot O 1000 2000 3000 4000 5000 6000length O 1000 2000 3000 4000 5000 6000len Frequency Frequency 10 8 Tot Total o 1000 2000 3000 4000 5000 6000length o 1000 2000 3000 4000 5000 6000len What proportion of subdivisions have total length less than 2000? Between 2000 and 4000? (Round your answers to three decimal places.) less than 2000 04895 between 2000 and 4000 0.3616 How would you describe the shape of the histogram? (Select all that apply.) The display has a positive skew. ) The display is symmetric. O The display has a negative skew. OA typical data value is somewhere in the high 3000's. A typical data value is somewhere in the low 2000's.
An article gave data on various characteristics of subdivisions that could be used in deciding whether to provide electrical power using overhead lines or underground lines. Here are the values of the variable x= total length of streets within a subdivision: 1280 5320 4390 2100 1240 3060 4570 1050 360 3330 3380 340 1000 960 1320 530 3350 540 3870 1250 2400 960 1120 2120 450 2250 2320 2400 3150 5700 5220 500 1850 2460 5950 2900 2730 1670 100 5770 3150 1990 510 240 396 1419 2109 (a) Construct 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 123334555599 00122234688 2 1112344477 3 0113338 4 35 5 23779 Comment on the various features of the display. (Select all that apply.) O A typical data value is somewhere in the high 3000's. V The display has a positive skew. A typical data value is somewhere in the low 2000's. O The display is symmetric. O The display has a negative skew. (b) Construct a histogram using class boundaries 0, 1000, 2000, 3000, 4000, 5000, and 6000. Frequency Frequency 12 12 10 10 8 6 6 4 Total Tot O 1000 2000 3000 4000 5000 6000length O 1000 2000 3000 4000 5000 6000len Frequency Frequency 10 8 Tot Total o 1000 2000 3000 4000 5000 6000length o 1000 2000 3000 4000 5000 6000len What proportion of subdivisions have total length less than 2000? Between 2000 and 4000? (Round your answers to three decimal places.) less than 2000 04895 between 2000 and 4000 0.3616 How would you describe the shape of the histogram? (Select all that apply.) The display has a positive skew. ) The display is symmetric. O The display has a negative skew. OA typical data value is somewhere in the high 3000's. A typical data value is somewhere in the low 2000's.
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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Transcribed Image Text:An article gave data on various characteristics of subdivisions that could be used in deciding whether to provide electrical power
using overhead lines or underground lines. Here are the values of the variable x- total length of streets within a subdivision:
1280 5320 4390 2100 1240 3060 4570
1050 360 3330 3380 340 1000 960
1320 530 3350
540 3870 1250 2400
960 1120 2120
450 2250 2320 2400
500 1850 2460 5950
3150 5700 5220
2900 2730 1670 100 5770 3150 1990
510 240 396 1419 2109
(a) Construct 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
123334555599
1
00122234688
2
1112344477
0113338
4
35
5
23779
Comment on the various features of the display. (Select all that apply.)
O A typical data value is somewhere in the high 3000's.
|The display has a positive skew.
A typical data value is somewhere in the low 2000's.
The display is symmetric.
O The display has a negative skew.
(b) Construct a histogram using class boundaries 0, 1000, 2000, 3000, 4000, 5000, and 6000.
Frequency
Frequency
12
12
10
10
8
8.
6
4
4
Total
Tot
o 1000 2000 3000 4000 5000 6000length
o 1000 2000 3000 4000 5000 6000len
Frequency
Frequency
10}
6.
То
Total
O 1000 2000 3000 4000 5000 6000len
o 1000 2000 3000 4000 5000 6000length
What proportion of subdivisions have total length less than 2000? Between 2000 and 4000? (Round your answers to three
decimal places.)
less than 2000
0.4895
between 2000 and 4000
0.3616
How would you describe the shape of the histogram? (Select all that apply.)
The display has a positive skew.
| The display is symmetric.
O The display has a negative skew.
O
A typical data value is somewhere in the high 3000's.
O A typical data value is somewhere in the low 2000's.
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