Calculate Spearmans rank correlation coefficient

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Reference no: EM132507121

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	18

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:	1	3	2	4	5	6	7

Calculate Spearman's rank correlation coefficient.

Q3) Calculate regression coefficient and correlation from the following data:

X	2	4	6	8	10	12	14
Y	4	2	5	10	4	11	12

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	Price	Quantity
2	2	8	4	6
5	5	10	6	5
4	4	4	5	10
2	2	19	2	13

Part B -

(a) Calculate regression coefficient and correlation from the following data:

x	2	4	6	8	10	12	14
y	4	2	5	10	4	11	12

Find the estimate of y when x = 13.

(b) 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	Price	Quantity
A	2	8	4	6
B	5	10	6	5
C	4	4	5	10
D	2	19	2	13

Reference no: EM132507121

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