Que no 19 part 2
Que no 19 part 2 a es or tne point of contact.
SECTION C
Question 19:
13 x 2=6
(i) Calculate standard deviation of the numbers II, 12, 13, ..., 20
(ii) Find the Cov (X, of the data given below:
(1, 5), (2, 7), (3, 9), (4, 11), (5, 10), (6, 9), (7, 8), (8, 7), (9, 6), (10, 5)
(iii) A small industrial concern used three raw materials A, B and C in its manufacturing prow
The prices of the materials are as shown below:
2006 2016
B
4
60
36
5
57
42
;ing 2006 as the base year, calculate for 2016 a simple aggregate price index.
restion 20: Calculate Spearman's coeffcient of rank correlation from the following data
erpret the result.
16
25
19
25
22
27
28
31
25
27
31
33
37
35
40
41
43
45
4
4
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