Question

(Coefficient of Correlation = 0.975)
Calculate Karl Pearson's coefficient of correlation between income and expenditure of 10 families from
the following data:
59
55
58
60
65
63
54
56
66
64
Income (in ‘000)
Expenditure (in '000)
52
53
55
58
57
66
59
54
52
54
(Coefficient of Correlation = 0.0843)
4. Calculate Karl Pearson's coefficient between the marks (out of 30) in English and Hindi obtained by
10 students
25
22
13
11
25
12
25
21
20
10
Marks in English
Marks in Hindi
18
17
24
17
18
15
23
22
16
12
(Coefficient of Correlation = 0.5748​

Answer 1

Answer:

(Coefficient of Correlation = 0.975)

Calculate Karl Pearson's coefficient of correlation between income and expenditure of 10 families from

the following data:

59

55

58

60

65

63

54

56

66

64

Income (in ‘000)

Expenditure (in '000)

52

53

55

58

57

66

59

54

52

54

(Coefficient of Correlation = 0.0843)

4. Calculate Karl Pearson's coefficient between the marks (out of 30) in English and Hindi obtained by

10 students

25

22

13

11

25

12

25

21

20

10

Marks in English

Marks in Hindi

18

17

24

17

18

15

23

22

16

12

(Coefficient of Correlation = 0.5748