This download link is referred from the post: JNTUH MBA 1st Sem Last 10 Year Question Papers (2010-2020) All Regulation-First Semester (JNTU Hyderabad)
Firstranker's choice
Hall Ticket No
--- Content provided by FirstRanker.com ---
Question Paper Code: CMB005
Jawaharlal Nehru Technological University Hyderabad
MBA I Semester End Examinations (Supplementary) - May, 2018
Regulation: R16
STATISTICS FOR MANAGEMENT
--- Content provided by FirstRanker.com ---
(MBA)
Time: 3 Hours
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
--- Content provided by FirstRanker.com ---
UNIT I
Max Marks: 70
- (a) What are the functions of statistics? Discuss briefly. [7M]
(b) Why it is necessary to learn statistics? [7M] - (a) Statistician at times misuses statistics. Elucidate this statement. [7M]
--- Content provided by FirstRanker.com ---
(b) Discuss important applications of statistics with special reference to decision making in modern business and industry. Also briefly describe its limitations. [7M]
UNIT – II
- (a) The net profits earned by 140 companies for one year are shown in Table 1. Calculate geometric mean and harmonic mean. [7M]
Table 1
Net profit (Rs. in Lakhs) 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100 Number of companies 5 16 23 36 25 19 14 2 --- Content provided by FirstRanker.com ---
(b) Calculate the quartile deviation from the data shown in Table 2. [7M]
Table 2
Class Interval 30-40 40-50 50-60 60-70 70-80 80-90 90-100 Frequency 4 6 8 12 9 7 4 - (a) Calculate the Pearson's measure of skewness on the basis of mode and standard deviation for data shown in Table 3. [7M]
Table 3
--- Content provided by FirstRanker.com ---
Class Interval 14-15 15-16 16-17 17-18 18-19 19-20 20-21 21-22 Frequency 35 40 48 100 125 87 43 22
(b) From the data given in the Table 4, find out which of the two series is more consistent. [7M]
Table 4
Class Interval 10-20 20-30 30-40 40-50 50-60 60-70 Series-A 10 16 34 38 24 18 Series-B 18 22 38 34 20 8
UNIT - III
--- Content provided by FirstRanker.com ---
- (a) What is meant by classification? State its important objectives. [7M]
(b) The data shown in Table 5 relate to monthly income and expenditure under different heads for two families. Show the data by percentage bar diagram and multiple bar diagram. [7M]
Table 5
Item of Expenditure Monthly Income Family A Family B Food 4000 4800 Clothing 2500 3000 Rent 3000 4000 Education 1500 2500 Fuel and lighting 400 800 Others 600 900 - (a) Explain the importance and limitations of graphs and diagrams. [7M]
--- Content provided by FirstRanker.com ---
(b) Table 6 shows the marks secured by 100 students. Draw histogram and locate mode graphically. [7M]
Table 6
Marks 0-20 20-40 40-60 60-80 80-100 Number of students 10 22 35 28 5
UNIT IV
- (a) Define ANOVA. Explain the step wise procedure for one way ANOVA. [7M]
--- Content provided by FirstRanker.com ---
(b) Realtors are often interested in seeing how the appraised value (in thousands of dollars) of home varies according to the size (in thousands of square feet) of the home. Find the correlation between them from Table 7. [7M]
Table 7
Area 1.1 1.5 1.6 1.4 1.3 1.1 1.7 1.9 1.5 1.3 Value 75 95 95 87 82 98 90 94 87 96 - (a) The average commission charged by full service brokerage firm on a sale of common stock is $144 and standard deviation is $52. Joel Freelander has taken a random sample of 121 trades by his clients and determined that they paid an average commission of $151. At 0.01 significance level, can Joel conclude that his client's commissions are higher than the industry average? [7M]
(b) Three training methods were compared to see whether they led to greater productivity after training. The following data in Table 8 are productivity measures for individuals trained by each method [7M]--- Content provided by FirstRanker.com ---
Table 8
Method 1 45 40 50 39 53 44 Method 2 59 43 47 51 39 49 Method 3 41 37 43 40 52 37
At 0.05 level of significance, do the three training methods lead to different levels of productivity?
UNIT - V
--- Content provided by FirstRanker.com ---
- (a) State the difference between correlation and regression. [7M]
(b) In economics the demand function for a product is often estimated by regressing the quantity sold (Q) on the price (P). The company is trying to estimate the demand function for its new doll and has collected the following data shown in Table 9. [7M]
Table 9
P 20.0 17.5 16.0 14.0 12.5 10.0 8.0 6.5 Q 125 156 183 190 212 238 250 276 - (a) What are the components of time series? [7M]
--- Content provided by FirstRanker.com ---
(b) A national shopping survey was conducted to study the average weekly buying habits of a typical family in 1992, and 1996. The data collected is shown in Table 10. [7M]
Table 10
Items 1992 1996 Unit price ($) Quantity Unit price ($) Quantity Cheese (8 oz) 1.19 2 2.09 1 Bread (1 loaf) 0.79 3 1.09 3 Eggs (1 dozen) 0.84 2 1.35 1 Milk (1 gallon) 1.36 2 2.39 2 Calculate the i. Laspeyers ii. Paasche iii. Fisher index number.
--- Content provided by FirstRanker.com ---
This download link is referred from the post: JNTUH MBA 1st Sem Last 10 Year Question Papers (2010-2020) All Regulation-First Semester (JNTU Hyderabad)