Question
please help with letters D-G
1. Forty workers were randomly surveyed about how long it takes them to travel to work each day. The data below are given in
(d) (5 points) Draw the relative histogram. Clearly label and mark your graph. (e) (5 points) Draw the ogive. Clearly label a
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Answer #1
class relative freq.
20-29 0.125
30-39 0.2
40-49 0.325
50-59 0.25
60-69 0.1

relative freq. histogram 0.35 0.3 0.25 0.2 relative frequency 0.15 0.1 0.05 0 20-29 30-39 40-49 50-59 60-69 classes

class upper boundry cumulative freq.
20-29 29 5
30-39 39 13
40-49 49 26
50-59 59 36
60-69 69 40

Ogive curve 45 40 35 30 25 cumulative freq. 20 15 10 5 0 0 10 20 60 70 80 30 40 50 upper boundries

class mid ponit freq.
20-29 24.5 5
30-39 34.5 8
40-49 44.5 13
50-59 54.5 10
60-69 64.5 4

freqquency polygon 14 12 10 8 frequency 6 4 2 0 0 10 20 30 40 50 60 70 mid points

Date Solution; 9 stem and leaf plot. stem reaf. 2 3 4 S 0, 3, 4, 8, 8 0, 0, 2, 4, 5, 5, 7, 8 0, 0, 1, 2, 5, 5S, 7,7,7,8,8,9 0

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