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MTH302 Assignment# 3 Open 16th of July and Close 31st of July

Dear students,

The Assignment no.3 has been uploaded and it is graded. You have to solve only section C of Assignment 3.

Instructions about solving assignment must be strictly followed and provide assignment solution on MS Word file.

No assignment will be accepted through email so submit it within due date.

Section C

Question 1:

 60 80 90 96 120 150 200 360 480 520 1060 1200 1450 2500 7200

The annual incomes (in thousands of \$) of fifteen families is as

Calculate the

• Geometric mean
• Harmonic mean
• Quartile deviation

for the given data.

Question 2:

Find the correlation between candidates score in interview and written test for a random sample of 6 candidates, which is as

 X 2 4 5 6 8 11 Y 18 12 10 8 7 5

Where X=Interview marks, Y=Marks of written test.

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Views: 5666

Replies to This Discussion

Our main purpose here discussion not just Solution

We are here with you hands in hands to facilitate your learning and do not appreciate the idea of copying or replicating solutions.

i hv done 1st question.. but a little confusion i hv , which is about correlation and coefficient of correlation. whats the exect formula of correlation????

Misbah plz send Q1 solution.i want to match my answer

ubi hard copy pr h

Section A
Question 1:

(i) Arrange the following set of data in ascending order and write down the frequency table showing the frequency of each term in front of it
Solution:

1,1,1,2,2,2,2,3,3,3,3,3,3,5,5,5,5,5,6,7,7,7,8,8,8,8,9,9,9,10

Item
Frequency
Percentage
1
3
10.00%
2
4
13.33%
3
6
20.00%
5
5
16.67%
6
1
3.33%
7
3
10.00%
8
4
13.33%
9
3
10.00%
10
1
3.33%
Grand Total
30
100.00%

(ii) Find first second and third quartile of the following data
12, 18, 13,19,16,14,15,17,20.
Ans:

This is ungrouped data. First arrange the data in ascending order.
12,13,14,15,16,17,18,19,20
Now, find median or second quartile. 16
Median position: (n+1) /2 = (9+1)/2=10/2=5th position Counting median= 16

First quartile (Q1) First Quartile Position: (n+1)/4 =10/4=2.5th position So average of 2nd and 3rd positions values= (13+14)/2=13.5
Third quartile (Q3) Third Quartile Position: 3(n+1)/4 =30/4=7.5th position So average of 7th and 8th position values= (18+19)/2=18.5.

Say thanks to me

Plz sister send me section c Solved Answer plzzz

hard copy pr hy, rat ko upload kr dun gi

tions

hi misbah

I have solve 1st question my answers are

Harmonic means=186.38

Geometric means=377.209

Quartile Deviation=552

for 2nd question Hand out Chapter 29 page 198-202

Dear Haleem, Quartile ghalat hai apka iska answer 148848 hai..

Please check it again and confirm.

ni mera b same h, apka ghalat h syed Muhammad Faraz

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