Calculate Spearmans rank correlation coefficient

Assignment Help Basic Statistics
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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