Business statistics and mathematics PUNJAB UNIVERSITY B.COM PART 1 SOLVED PAST PAPER 2014
Question No.1 Calculation of Mean Median, Draw a table with several columns for frequency, mid points, Cumulative frequency, Apply the calculated values in the formula.
For the calculation of Coefficient of Variation, we required two values, mean and standard deviation, As we have already calculated the arithmetic mean in the previous step.
Q No. 2 : Coefficient of Correlation,
Probably an easy and high scoring question to attempt in exam, Dont mistake while writing the formula and put values carefully
Question No.3 Lespeyr , Paasche
Index number question is tested in ever paper of business statistics and mathematics, Calculation is quite simple and straight forward, just you have to remember the correct formula for each index number.
Marshal, Fisher Price index numbers.
Question No.5 Addition of Matrix
Add rows with the columns , i.e, first element of first row is added to the first element of the first column in Matrix B. In case of multiplication of matrices, multiply matrix element by specific given figure.
Question No.5 Multiplication of Matrix multiply rows with the columns , i.e, first element of first row is multiplied to the first element of the first column in Matrix B.
Question No.6 Solve the Equation
Question No.7 First Term , Common Difference
Use the formula for sum of the series and the last term.
Question No. 7b Sum of the series Cannot exceed 2 Q.No 8 Effective Interest Rate
Question No.8 Find Compound Interest
Convert Per annum into quarter.
Find principle amount for the second year
Similarly for 3rd year, and compute interest after compounding the previous years interest.
Compound interest: Compound amount - principal
Question 8 b Amount is invested at the end of each quarter, so this is a case of ordinary annuity.
This subject requires written practice, so utilize your time effectively, so that you will get maximum marks in this paper of B.Com.