NMIMS Global Access
School for Continuing Education (NGA-SCE)
Course: Business Statistics
Internal Assignment Applicable for December 2015 Examination
Assignment Marks: 30
Instructions:
All Questions carry equal marks.
All Questions are compulsory
Answers to each assignment question to be explained in approximately 1500 words. Use
relevant examples, illustrations as far as possible.
All answers to be written individually. Discussion and group work is not permissible.
Students are free to refer to any books/reference material/website/internet for attempting their
assignments, but are not allowed to copy the matter as it is from the source of reference.
Students should write the assignment in their own words. Copying of assignments from other
students is not allowed.
Q1. A departmental store gives in service training to its salesman which is followed by a test. The
management is considering whether it should terminate the services of the salesman who did not do
well in the test. The following table gives the test scores, and the sales made by the salesman.
Test scores: 14 19 24 21 26 22 15 20 19
Sale (in Rs 1000): 31 36 48 37 50 45 33 41 39
Calculate the correlation between the test scores and sales. Does it indicate that the termination of
services for low test scores is justified? If the firm wants a minimum sales volume of Rs 30,000 from
each sales man, what are the minimum test scores indicating termination of the service?
Q2. The marks obtained in a certain examination follow normal distribution with mean 45 and standard
deviation 10. If 1000 students appeared at the examination, calculate the number of students scoring
(a) Less than 40 marks and
(b) More than 60 marks.
(Use Z table value)
***************
School for Continuing Education (NGA-SCE)
Course: Business Statistics
Internal Assignment Applicable for December 2015 Examination
Assignment Marks: 30
Instructions:
All Questions carry equal marks.
All Questions are compulsory
Answers to each assignment question to be explained in approximately 1500 words. Use
relevant examples, illustrations as far as possible.
All answers to be written individually. Discussion and group work is not permissible.
Students are free to refer to any books/reference material/website/internet for attempting their
assignments, but are not allowed to copy the matter as it is from the source of reference.
Students should write the assignment in their own words. Copying of assignments from other
students is not allowed.
Q1. A departmental store gives in service training to its salesman which is followed by a test. The
management is considering whether it should terminate the services of the salesman who did not do
well in the test. The following table gives the test scores, and the sales made by the salesman.
Test scores: 14 19 24 21 26 22 15 20 19
Sale (in Rs 1000): 31 36 48 37 50 45 33 41 39
Calculate the correlation between the test scores and sales. Does it indicate that the termination of
services for low test scores is justified? If the firm wants a minimum sales volume of Rs 30,000 from
each sales man, what are the minimum test scores indicating termination of the service?
Q2. The marks obtained in a certain examination follow normal distribution with mean 45 and standard
deviation 10. If 1000 students appeared at the examination, calculate the number of students scoring
(a) Less than 40 marks and
(b) More than 60 marks.
(Use Z table value)
***************
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