Question 1) Write down the merits of Arithmetic Average?
Question 2) Briefly explain different measures of skewness.
Question 3) Write down different types of correlation.
Question 4) What are the properties of Regression Co-efficient?
Question 5) List the uses of Time Series Analysis.
Question 6) Write down a general form of matrix.
Question 7) What are the major features of input-output analysis?
Question 8) Describe the basic concepts of Game Theory.
Question 9) Compute Karl Pearson’s Co-efficient of Correlation.
x: 100 86 91 108 111 112 105 87
y: 98 108 104 98 94 90 100 108
Question 10) Fit a straight line trend by the method of least squares to the following data.
Year: 1961 1962 1963 1964 1965 1966 1967 1968
Sales: 107 110 114 112 115 113 118 115
Question 12) Solve the following linear programming problem by simplex method.
Maximise = z = 2x1 + x2
Subject to x1 + 4x3 < 24
x1 + 2x2 < 14
2x1 – x2 < 8
x1 – x2 < 3
x1, x2 < 0
Question 13) Compute mean, median and mode from the given data
Marks: 5 10 15 20 25 30 35 40 45 50
No. of Students: 20 43 75 76 72 45 39 9 8 6