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Assignment No.1

(Course STA301)

SPRING 2014 (Total Marks 15)

 

Deadline

Your Assignment must be uploaded/ submitted before or on

23:59 May 19th , 2014

STUDENTS ARE STRICTLY DIRECTED TO SUBMIT THEIR ASSIGNMENT BEFORE OR BY DUE DATE. NO ASSIGNMNENT AFTER DUE DATE WILL BE ACCEPTED/MARKED VIA E.MAIL.

 

Instructions:

 

  • The submitted Assignment should found as MS Word document file.
  • The Statistical notations/symbols should well-written i.e., using MathType software.
  • The Assignment should not 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.
  • The medium of the course is English. Assignment in Urdu or Roman languages will not be accepted.
  • Assignment means Comprehensive yet precise accurate details about the given topic quoting different sources (books/articles/websites etc.). Do not rely only on handouts. You can take data/information from different authentic sources (like books, magazines, website etc) BUT express/organize all the collected material in YOUR OWN WORDS. Only then you will get good marks.

 

 

Objective(s) of this Assignment:

 

  • The assignment is being uploaded to build up concepts of students about scales of measurement used in description of variables.

 

  • This assignment will strengthen the basic idea about grouping of raw data/calculation of class boundaries/calculation of averages.

 

 

 

Assignment No: 1 (Lessons 1-11)

   Question 1:                                                                                                     Marks: 0.5x6 = 3

 

You have studied FOUR scales of measurement in your course. Looking at the following real life examples, can you determine which measurement scales is most suitable for each example?

Example

Suitable Scale

People categorized according to religion (Muslim, Hindu, Christian)

 

Positions obtained by students in a class (1st, 2nd, 3rd )

 

Temperature in different cities of Pakistan

 

Height of students in a college

 

Weight of students in a college

 

Occupations (Doctor, Lawyer, Teacher etc.) adopted by individuals

 

 

  Question 2:                                                                                                         Marks: 2+2+2=6

 

Class limits and there respective frequencies are given. Construct the columns of:

(i)                 Cumulative Frequency

(ii)               Class Boundaries

(iii)             Mid Points

 

Class Limits

Frequency = f

Cumulative Frequency

Class Boundaries

Mid Points

35-39

15

 

 

 

40-44

13

 

 

 

45-49

17

 

 

 

50-54

28

 

 

 

55-59

11

 

 

 

60-64

10

 

 

 

65-69

5

 

 

 

Total

99

 

 

 

 

   Question 3:                                                                                                   Marks: 2+2+2= 6

 

By using the given data set 150, 174,193, 211, 214, 219, 262, 271, 296, and 300; calculate the following measures of averages.

1)                  Arithmetic Mean

2)                  Geometric Mean

3)                  Harmonic Mean

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Replies to This Discussion

which farmula u use to calculate G.M & H.M

hi.......guys sorry in my assignment solution the Answer of H.M was incorrect the correct ans is 218.57.we should take 5th or 6th digit after POINT .

The Answer of A.M should be greater than G.M and G.M greater than H.M.According to my poin of view..........whats you say?????

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