Posted: March 6th, 2014
Explain the objectives of Statistical Average
Explain the objectives of Statistical Average. What are the requisites of a good average?
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Spring 2013 Master of Business Administration-MBA Semester 1 MB0040 – Statistics for Management -4 Credits (Book ID: B1731) Assignment Set -1 (60 Marks) Note: Assignment Set -1 must be written within 6-8 pages. Answer all questions. Q1. a. Explain the characteristics of Statistics. b. What are the components of Statistics? Give a brief description of each of the components. 5 +5 = 10 marks (200 -250 words each) Q2. Explain the objectives of Statistical Average. What are the requisites of a good average? 10 marks (350-400 words) Q3. a. Mention the Characteristics of Chi-square test. b. Two research workers classified some people in income groups on the basis of sampling studies. Their results are as follow: Investigators Income groups Total Poor Middle Rich A 160 30 10 200 B 140 120 40 300 Total 300 150 50 500 Show that the sampling technique of atleast one research worker is defective. 10 marks (350-400 words) Q4. What do you mean by cost of living index? Discuss the methods of construction of cost of living index with an example for each. 10 marks (350-400 words) Q5. Define trend. Enumerate the methods of determining trend in time series 10 marks (350-400 words) Q6. The following data represent the number of units of production per day turned out by 5 different workmen using different types of machines. 10 marks Spring 2013 Workmen Machine type A B C D 1 44 38 47 36 2 46 40 52 43 3 34 36 44 32 4 43 38 46 33 5 38 42 49 39 i) Test whether the mean productivity is the same for the four different machine types. ii) Test whether 5 men differ with respect to mean productivity.
Spring 2013 Master of Business Administration-MBA Semester 1 MB0040 – Statistics for Management -4 Credits (Book ID: B1731) Assignment Set -1 (60 Marks) Note: Assignment Set -1 must be written within 6-8 pages. Answer all questions. Q1. a. Explain the characteristics of Statistics. b. What are the components of Statistics? Give a brief description of each of the components. 5 +5 = 10 marks (200 -250 words each) Q2. Explain the objectives of Statistical Average. What are the requisites of a good average? 10 marks (350-400 words) Q3. a. Mention the Characteristics of Chi-square test. b. Two research workers classified some people in income groups on the basis of sampling studies. Their results are as follow: Investigators Income groups Total Poor Middle Rich A 160 30 10 200 B 140 120 40 300 Total 300 150 50 500 Show that the sampling technique of atleast one research worker is defective. 10 marks (350-400 words) Q4. What do you mean by cost of living index? Discuss the methods of construction of cost of living index with an example for each. 10 marks (350-400 words) Q5. Define trend. Enumerate the methods of determining trend in time series 10 marks (350-400 words) Q6. The following data represent the number of units of production per day turned out by 5 different workmen using different types of machines. 10 marks Spring 2013 Workmen Machine type A B C D 1 44 38 47 36 2 46 40 52 43 3 34 36 44 32 4 43 38 46 33 5 38 42 49 39 i) Test whether the mean productivity is the same for the four different machine types. ii) Test whether 5 men differ with respect to mean productivity.
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