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Your Assignment must be uploaded/ submitted before or on

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Objective(s) of this Assignment:

 

The assignment is being uploaded to build up the students concepts regarding:

 

  1. 1.   Measurement scale
  2. 2.   Stem and leaf
  3. 3.   Manipulation of data
  4. 4.   Measures of Central tendency

 

 

 

 

 

 

 

 

 

Assignment No: 1 (Lessons 1-9)

   Question 1:                                                                                                              Marks: 4+3=7

 

  1. Given the following frequency distribution:

     

Class Limits

Frequency

118 – 126

3

127 – 135

5

136 – 144

9

145 – 153

12

154 – 162

5

 

     Construct the columns of Class Boundaries, Relative Frequency, Mid points and

      Cumulative frequency.

  1. The ages of 22 patients admitted to a certain hospital during a particular week were as

follows:

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

Construct a Stem and Leaf display for the above data. 

 

  Question 2:                                                                                                              Marks: 6+2=8

 

  1. Ten students (graduates and undergraduates) are enrolled in the course on statistics. Their weights are given below:

52, 63, 73, 58, 88, 72, 60, 76, 69, 74

Calculate Arithmetic mean, Geometric mean and Harmonic mean for the above data.

    b.    Which scale of measurement is more suitable in the following examples?

  • Religion can be categorized as Jewish, Muslim, Christian, Buddhist and “Other”.
  • A teacher ranks the students according to their oral language skills.
  • The number of minutes of overtime work that employees perform.
  • The number of questions asked by a customer during a simulated encounter with a salesperson.

  

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Replies to This Discussion

Arithmetic mean= total value / number of values

Arithmetic mean= 68.5

Q 2. b

1.. Nominal Scale

2.. Ordinal Scale

3.. Ratio Scale

4.. Interval Scale ( little confuse)

See page 4 in lecture 1

which software will used for assignment

STA301 Assignment 1 Solution - Spring 2013

See the attached file please

Attachments:

Stem and Leap construction can be seen as below:

Corrections are welcomed.

Stem (Leading)

Leaf (Tailoring)

1

2 1

2

5 4 6 3

3

8 7 9

5

4 3 2 5

6

6 8 7 9

7

3 4 2 5

STA301 Assignment 1 Solution - Spring 2013

Attachments:

Pl Consider this

Stem (Leading)

Leaf (Tailoring)

1

2 1 3

2

5 4 6 3

3

8 7 9

5

4 3 2 5

6

6 8 7 9

7

3 4 2 5




Zulfiqar Ahmad Zakki gud keep it up & thanks 

Note for All Members: You don’t need to go any other site for this assignment/GDB/Online Quiz solution, Because All discussed data of our members in this discussion are going from here to other sites. You can judge this at other sites yourself. So don’t waste your precious time with different links.

Masood Khan thanks for sharing 

STA301_Assignment#01_Complete_Solution_spring_2013

See the attached file please

Attachments:

Zulfiqar Ahmad Zakki gud keep it up & thanks for sharing 

Note for All Members: You don’t need to go any other site for this assignment/GDB/Online Quiz solution, Because All discussed data of our members in this discussion are going from here to other sites. You can judge this at other sites yourself. So don’t waste your precious time with different links.

No need to change the sequence in ascending order as u can c in handouts Lecture No.06 first example.

According to my view point.

Stem (Leading Digit)                     Leaf (Trailing Digit)

1                                                            3 2 1

2                                                          5 4 6 3

3                                                           8 7 9

4                                                         --------

5                                                         4 3 2 5

6                                                         6 8 7 9

7                                                         3 4 2 5

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