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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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Replies to This Discussion

itna bara ni hta q.d

misbah apka Q1 or Q3 kia aya hai? 

mera Q1 = 2304 hai 

Q3 = 300000 hai...

So 300000-2304/2 = 148848 aya hai... correct me if i am wrong. thanks 

oho kya o gya ittni bari values o data me ni hein apki kasy aa gain.. 

any way, Q1= 96 , Q2 = 1200 

coz Q1= value of (n+1/2)th iem , and ,

Q3= value of 3 (n+1/4)th item of the data as well..

Q1 or Q3 ase nikalta hai... mene exact ase hi nikala hai.. aap dekhy kia is tarha hai ? 

ye solution mene notes se nikala hai..

Position of Q1 = (n+1)/4 = (10+1)/4 = 2.75
So Q1 = 2nd value + 0.75 × (3rd value – 2nd value)
= 8 + 0.75 × (9 - 8)
= 8 + 0.75 x 1
= 8.75


Position of Q3 = 3 × (10 + 1) /4 = 3 × (2.75) = 8.25
So Q3 = 8th value + 0.25(9th value – 8th value)
= 20 + 0.25 × (22 –20)
= 20.50

n= 15 hy.. 10 nhi.. count karen ap pahly

here n means the ttotle number of observations dear..

oho mene apko sample solution dikhaya hai k mene is tarha kara hai... ap apna solution dekho k apne same is tarha kara hai? ye humare question ka solution nahi hai mene sample dikhaya hai apko...

dear it's totally wrong

https://www.mathsisfun.com/data/quartiles.html
app is site se b hlp le sakty hn...:)

plz bahi Section c ka Q#1 ka solution upload kr da plzzzz

right ans dear. my ans are same

ap ny 2nd ques kr liya agr tou answer share kariy ga kindly 

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