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# Thread: CS601 Data Communication Assignment No 1 Solution Fall 1st November 2012

1. ## CS601 Data Communication Assignment No 1 Solution Fall 1st November 2012

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CS601 Data Communication Assignment No 1 Solution Fall 1st November 2012

Question 1: Marks: 5+2=7

a) Following are the heights (in centimeters) of 45 female high school students. Prepare a frequency distribution of the data where the class width is 5, the number of classes is 6 and the smallest observation is 148. Also obtain the relative frequency and relative cumulative frequency.

170, 151, 154, 160, 158, 154, 171, 156, 160, 157, 160, 157, 148, 165, 158, 159, 155, 151, 152, 161, 156, 164, 156, 163, 174, 153, 170, 149, 166, 154, 166, 160, 160, 161, 154, 163, 164, 160, 148, 162, 167, 165, 158, 158, 176.

b) Which level of measurement (scale of measurement) is suitable for the following data in each example?

i) The lake Saif-ul-Muluk is 10,578 feet above from the sea level.

ii) If customers go to the shop for buying shoes and try different size of shoes. The sizes of shoes are 7B, 10D and 12E.

iii) The numbering on T-shirts of players in the cricket team.

iv) The weight of the person is 68 kg.

Question 2: Marks: 5+3=8

a) Find the median, harmonic mean and 23rd percentile for the following frequency distribution.

Class Boundaries
Frequency

145 – 150
4

150 – 155
6

155 – 160
28

160 – 165
58

165 – 170
64

170 – 175
30

b) Explain the concept of Geometric mean? Also find the geometric mean for the following data.

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18, 19, 19, 19, 19, 20, 20, 20, 20, 20, 21, 21, 21, 21, 22, 23, 24, 27, 30, 36

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## cs601 assignment 1 solution

### assignment no. 1 semester fall 2012 data communication - cs601

#### solution assignment #1 cs601 nov 2012

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