MTH302 Final Term Solved Paper Set 3

FINALTERM EXAMINATION Spring 2009

MTH302- Business Mathematics & Statistics (Session - 2)

Time: 120 min

Marks: 80

Q1. The Basic salary of an employee is Rs 7,000. What is the contribution of the company on account of gratuity to the Gratuity Trust Fund? (1 marks)

1. Rs 636.36
2. Rs 6363.6
3. Rs 63.636
4. Rs 6363

Correct answer: Rs 636.36

Q2. An arrangement of data by successive time periods is called a (1 marks)

1. Exponential Smoothing
2. Time Series
3. Combination
4. Permutation

Correct answer: Time Series

Q3. The graph of time series is called (1 marks)

1. Straight line
2. Smooth Curve
3. Parabola
4. Histogram

Correct answer: Parabola

Q4. When a straight is fitted to time series data, it is called (1 marks)

1. Linear equation
2. Linear regression
3. Linear trend
4. Non-Linear equation

Correct answer: Linear trend

Q5. What variation does moving average method eliminate? (1 marks)

1. Seasonal
2. Cyclical
3. Irregular
4. Secular trend

Correct answer: Seasonal

Q6. The temperature was 30°C in the afternoon and the temperature dropped to 26°C in the evening. Find the percentage change in the temperature. (1 marks)

1. 13.33%
2. 15%
3. 14.26%
4. 12%

Correct answer: 13.33%

Q7. Observed errors, which represent information from the data which is not explained by the model, are called? (1 marks)

1. Marginal values
2. Residuals
3. Mean square errors
4. Standard errors

Correct answer: Mean square errors