Question

UNIT - III
Q. 3- Calculate the Spearman's Rank Correlation
Coefficient from the following data:
X 48 33 40 9 16 16 65 24 46 57
Y 13 13 24 6 15 4 20 9 6

Answer 1

Explanation:

X

Rank

Y

Rank

∣d∣

d

2

48

33

40

9

16

16

65

25

16

57

3

5

4

10

7

7

1

6

7

2

13

13

24

6

15

4

20

9

6

19

5

5

1

8

4

10

2

7

8

3

2

0

3

2

3

3

1

1

1

1

4

0

9

4

9

9

1

1

1

1

n=10,∑d

2

=39

r=1−

n(n

2

−1)

6∑d

2

=1−

10(10

2

−1)

6×39

=1−

990

234

=0.76

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