8/7/2019 Statistics Task for Final Exam

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Statistics Task for Final Exam

Lecture : David Kaluge, SE., MS., PhD.

AB Statistics Class

From The Book :

8/7/2019 Statistics Task for Final Exam

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Andistya Oktaning Listra (0910210022)

Faculty of Economy

Economic Development

University of Brawijaya Malang

Chapter 2 : Descriptive Statistics

Frequency Distributions

2.26 Table 2.29 gives the frequency for gasoline price at 48 station in a

lown. Present the data in the form ot the histogram, a relative

frequency histogram a frequency poligon and an ogive.

Table 2.29 Frequency Distribution of Gasoline Prices

Price $ Frequency1.00 1.04 41.05 1.09 61.10 1.14 101.15 1.19 151.20 1.24 8

2 |A n d i s t y a O . L ( 0 9 1 0 2 1 0 0 2 2 ) S t a t i s t i c sT a s k

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1.25 1.29 5

Answer :

Price $ Frequency Mid point RelativeFrequen

cy

Cumulative

Frequen

cy1.00 1.04 4 1.02 0.083 41.05 1.09 6 1.07 0.125 101.10 1.14 10 1.12 0.208 201.15 1.19 15 1.17 0.313 351.20 1.24 8 1.22 0.167 43

1.25 1.29 5 1.27 0.104 4848 1.000

3 |A n d i s t y a O . L ( 0 9 1 0 2 1 0 0 2 2 ) S t a t i s t i c sT a s k