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Question 1: (Marks: 5)

 

a)      Construct a frequency distribution table where the class interval is 12, the number of classes is 6 and the smallest observation is 49 (lowest class limit). Also build the column of the relative frequency. The data is given below:

74, 49, 103, 95, 90, 118, 52, 88, 101, 96, 72, 56, 64, 110, 97, 59, 62, 96, 82, 65, 85, 105, 116, 91, 83, 99, 52, 76, 84, 90.

Question 2: (Marks: 5)

a)      Compute the mean deviation from the mean for the following data.

(Where Mean = 3.949)

X

f

2.8

4

3.0

15

3.2

20

3.4

47

3.6

63

3.8

78

4.0

88

4.2

69

4.4

59

4.6

35

4.8

10

5.0

8

5.2

4

 

500

 

 

 

Question 3:                                                                                                        (Marks: 3+2=5)

 

a)      The ages of 22 football players are listed below:

66, 73, 68, 54, 25, 38, 67, 69, 74, 53, 52, 72, 55, 75, 37, 24, 13, 12, 11, 26, 39, 23

Make a stem and leaf display for the data.

b)      Which variable (Discrete or Continuous) is more suitable in the following examples?

  • The content of a bottle of fluid is quoted as 1025 ml.
  • People are asked to state their age at their birthday. 
  • People are asked to state how many times in the last month they visited their family doctor.
  • The height of trees at a nursery. 

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It should be clear that your Assignment will not get any credit IF:

  • The Assignment submitted, via email, after the due date.
  • The submitted Assignment is not found as an MS Word document file.
  • There will be unnecessary, extra or irrelevant material.
  • The Statistical notations/symbols are not well-written, i.e., without using MathType software.
  • The Assignment will be copied from handouts, internet or from any other student’s file. Copied material (from handouts, any book or by any website) will be awarded ZERO MARKS. It is PLAGIARISM and an Academic Crime.
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Objective(s) of this Assignment:

 

  • The assignment is being uploaded to build up the concepts about:
  • Variable
  • Frequency Distribution
  • Stem and Leaf
  • Measure of Dispersion

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Replies to This Discussion

the first class is 50------60 ?????

not it start 49....60 bcz interwar is 12

malik ur ans is right

no sahrish ur idea is wrong

max value is 118 nd min value is 49 118-49=69=69/6=11.5 =12

instructor give us 6 classes so 47-58 is suitable for 6 classes :)

but 1 cheez smjh ni a rhe kia hamme class boundaries bhi bnani ha any one can tell me?

49------60 teek ha

ji pr classes 7 bn jayenge jo k instructor ne nhi kaha aisa kro

total kitne column bnane ha?

6 classes 

ab check kro :)

goood okay

M.D= 186.346/500 my answer is ok?

itni confusion ku hai please koe sahi aur complete solution upload kr den.

regards.....

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