English, asked by gharatpratham17, 3 months ago


If the two regression equations are 2x=y+15 and 4y=3x+25, then the Yon X
equation is
O4y=3x+25
O2xy+ 125
O 2x=y*5
O4y=x*25​

Answers

Answered by xxsilentkillerxx67
0

Answer:

The two regression lines are

3x−2y=5....(1)

x−4y=7....(2)

From equation (1) 3x−2y=5

3x=2y+5

x=

3

2

y+

3

5

∴b

xy

=

3

2

(Regression of x on y)

From equation (2) x−4y=7

4y=x−7

y=

4

x

4

7

∴b

yx

=

4

1

(Regression of y and x)

The two regression lines are

Coefficient of correlation =∣r∣

=

b

xy

⋅b

yx

=

4

1

×

3

2

=

6

1

=

66

Explanation:

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Answered by vkumari83496
1

Answer:

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Explanation:

The two regression lines are

3x−2y=5....(1)

x−4y=7....(2)

From equation (1) 3x−2y=5

3x=2y+5

x=

3

2

y+

3

5

∴b

xy

=

3

2

(Regression of x on y)

From equation (2) x−4y=7

4y=x−7

y=

4

x

4

7

∴b

yx

=

4

1

(Regression of y and x)

The two regression lines are

Coefficient of correlation =∣r∣

=

b

xy

⋅b

yx

=

4

1

×

3

2

=

6

1

=

6

6

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