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Business Statistics Assignment Questions -
Part A -
Q1) Calculate mean, median, Mode and Standard Deviation for the following data:
Profits (Rs.):
100-200
200-300
300-400
400-500
500-600
600-700
700-800
Number of shops:
10
18
20
26
30
28
Q2) Two ladies were asked to rank 7 different types of lipsticks. The ranks given by them are as follows:
Lipsticks:
A
B
C
D
E
F
G
Neelu:
2
1
4
3
5
7
6
Neena:
Calculate Spearman's rank correlation coefficient.
Q3) Calculate regression coefficient and correlation from the following data:
X
8
12
14
Y
11
Find the estimate of y when x = 13.
Q4) Construct index number of price from the following data by applying:
1. Laspeyre's method
2. Paasche's method
3. Fisher's method
Commodity
2006
2007
Price
Quantity
19
13
Part B -
(a) Calculate regression coefficient and correlation from the following data:
x
y
(b) Construct index number of price from the following data by applying:
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