What is Karl Pearson’s Coefficient of Correlation?

ACTUAL MEAN METHOD

Q.1 FROM THE FOLLOWING DATA COMPUTE KARL PERASON’S COEFFICIENT OF CORRELATION. (USING ACTUAL MEAN METHOD).

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10

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70

Supply (Units)

8

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16

10

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24

Q.2 FROM THE FOLLOWING DATA COMPUTE KARL PERASON’S COEFFICIENT OF CORRELATION. (USE ACTUAL MEAN METHOD).

X

15

18

20

28

34

Y

40

42

46

50

52

ASSUMED MEAN METHOD

Q.1 FROM THE FOLLOWING DATA COMPUTE KARL PERASON’S COEFFICIENT OF CORRELATION. (USING ASSUMED MEAN METHOD).

Price (`)

10

20

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70

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8

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Q.2 FROM THE FOLLOWING DATA COMPUTE CORRELATION BETWEEN HEIGHT OF FATHER AND HEIGHT OF DAUGHTERS BY KARL PERASON’S COEFFICIENT OF CORRELATION. (USING ASSUMED MEAN METHOD).

Height of Father (Cms)

65

66

67

67

68

69

71

73

Height of Daughter (Cms)

67

68

64

69

72

70

69

73

STEP DEVIATION METHOD

Q.1 FROM THE FOLLOWING DATA COMPUTE KARL PERASON’S COEFFICIENT OF CORRELATION. (USING STEP DEVIATION METHOD).

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10

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8

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Q.2 FROM THE FOLLOWING DATA COMPUTE KARL PERASON’S COEFFICIENT OF CORRELATION. (USE STEP DEVIATION METHOD).

Density (Per Sq. Km)

2000

5000

4000

7000

6000

3000

Patients of dengue fever

100

160

140

200

170

130

DIRECT METHOD

Q.1 FROM THE FOLLOWING DATA COMPUTE KARL PERASON’S COEFFICIENT OF CORRELATION. (USING DIRECT METHOD).

Price (`)

10

20

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50

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70

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8

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10

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24

Q.2 FROM THE FOLLOWING DATA COMPUTE KARL PERASON’S COEFFICIENT OF CORRELATION. (USING DIRECT METHOD).

Price (in `)

5

6

3

4

3

Demand (in Units)

10

10

12

11

12