PAST PAPER AIOU CODE 1430 SPRING 2015

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AIOU PAST PAPER CODE 1430 SPRING 2015 BUSINESS MATH

Aiou past paper for the course code 1430 business math and this code 1430 is offered to commerce students along with other bachelor groups. This course code 1430 is business math and statistics has great importance because in the business so many tools e.g sampling, mean, hypothesis etc. are needs to use that why keeping in view the importance of these we are going to upload this code with following tags, aiou old paper code 1430, aiou old paper code 1430 spring 2015, code 1430 aiou old paper, spring 2015 old paper code 1430, aiou past paper code 1430, aiou past paper code 1430 spring 2015.


Q.5: a) Outline the fundamental procedure followed in testing a null hypothesis. b) A sample of 400 male students is found to have a mean height.of 67.47 inches. Can it be regarded as a simple random sample from a large population with mean height 67.39 with standard deviation of 1.3 inches? Q.6: a) Explain the terms: statistical hypothesis, critical region, test statistic and critical value. b) Productivity (unit produced per day) for a random sample of 10 workers was recorded before and after training. The folio ving paired observations were obtained:
Worker 1 2 3 4 5 6 7 8 9 10 Productivity before 54 56 50 52 55 52 56 ’33 53 60 Productivity after 60 59 57 56 56 58 62 55 54 64
Perform a test of hypothesis at the 1 percent level of significance to determine if mean productivity is greater after training than before training.

Q.7: a) Write a short note on simple linear regression model b) Fit the line of regression of marks in Mathematics on marks in Economics for the following data:
Mathematics (Y) 5 7 16 12 17 13 10 9 Economics (X) 2 4 17 19 9 8 6 5
Q.8:
b)
a) Compare the fo lowing concepts: 1. Simple and composed index 2. Fixed and chain base method Calculate Fisher’s Ideal index from the following data with 1965 as base year.
Commodities 1965 1970 Price Quantity Price Quantity A 4.6 102 9.50 96 B 3.7 15 7.36 28 C 10.2 17 8.42 21 D 8.9 19 9.87 13

CODE 1430 AIOU OLD PAPER SPRING 2015

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