Solved Paper MTH302 Business Mathematics & Statistics Spring 2009 Final Term

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FINALTERM EXAMINATION
Spring 2009
MTH302- Business Mathematics & Statistics

Time: 120 min
Marks: 80

Question No: 1 ( Marks: 1 ) - Please choose one
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?

• Rs 636.36
  
• Rs 6363.6
  
• Rs 63.636
  
• Rs 6363
  

Question No: 2 ( Marks: 1 ) - Please choose one
An arrangement of data by successive time periods is called a

• Exponential Smoothing
  
• Time Series
  
• Combination
  
• Permutation
  

Question No: 3 ( Marks: 1 ) - Please choose one
The graph of time series is called

• Straight line
  
• Smooth Curve
  
• Parabola
  
• Histogram
  

Question No: 4 ( Marks: 1 ) - Please choose one
When a straight is fitted to time series data, it is called

• Linear equation
  
• Linear regression
  
• Linear trend
  
• Non-Linear equation
  

Question No: 5 ( Marks: 1 ) - Please choose one
What variation does moving average method eliminate?

• Seasonal
  
• Cyclical
  
• Irregular
  
• Secular trend
  

Question No: 6 ( Marks: 1 ) - Please choose one
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.

• 13.33%
  
• 15%
  
• 14.26%
  
• 12%
  

Question No: 7 ( Marks: 1 ) - Please choose one
Observed errors, which represent information from the data which is not explained by
the model, are called?

• Marginal values
  
• Residuals
  
• Mean square errors
  
• Standard errors
  

Question No: 8 ( Marks: 1 ) - Please choose one
An insurance company wants to predict sales from the amount of money they spend on
advertising. Which would be the independent variable?

• sales
  
• advertising
  
• insufficient information to decide
  
• Both (i) and (ii) are correct.
  

Question No: 9 ( Marks: 1 ) - Please choose one
Frequency of occurrence is used in finding the

• weighted mean
  
• median
  
• mode
  
• variance
  

Question No: 10 ( Marks: 1 ) - Please choose one
If the equation of regression line is y = 5, then what result will you take out from it?

• The line passes through origin.
  
• The line passes through (5, 0)
  
• The line is parallel to y-axis.
  
• The line is parallel to x-axis
  

Question No: 11 ( Marks: 1 ) - Please choose one
Which of the following graphs is a visual presentation using horizontal or vertical bars to
make comparisons or to show relationships on items of similar makeup?

• bar graph
  
• pie graph
  
• pictograph
  
• line graph
  

Question No: 12 ( Marks: 1 ) - Please choose one
In how many ways can the letters of the word MANAGEMENT be rearranged so that
the two As do not appear together?

• 10! - 2!
  
• 9! - 2!
  
• 10! - 9!
  
• None of these
  

Question No: 13 ( Marks: 1 ) - Please choose one
Which of the following describe the middle part of a group of numbers?

• Measures of central tendency
  
• measures of variability
  
• measures of shape
  
• measures of association
  

Question No: 14 ( Marks: 1 ) - Please choose one
In the United States, 43% of people wear a seat belt while driving. If two people are chosen at random, what is the probability that both of them wear a seat belt?

• 18%
  
• 20%
  
• 25%
  
• None of these
  

Question No: 15 ( Marks: 1 ) - Please choose one
The midrange is not greatly affected by outliers

• False
  
• True
  

Question No: 16 ( Marks: 1 ) - Please choose one
In which of the following form, can the probability be written?

• fraction
  
• decimal
  
• percentage
  
• All of these.
  

Question No: 17 ( Marks: 1 ) - Please choose one
The moving averages of the Prices 90,70,30,110 are

• 63.33, 70
  
• 73.33,80
  
• 45.45, 68
  
• 65.50, 75
  

Question No: 18 ( Marks: 1 ) - Please choose one
Sum of annuity is always

• Present value
  
• Future value
  
• Net present value
  
• Current value
  

Question No: 19 ( Marks: 1 ) - Please choose one
Write a formula to find the simple interest (I) if $5000 is invested at 4% for 2 years.

• I=PRT
  
• I=P+R+T
  
• I=PT
  
• I=P(R+T)
  

Question No: 20 ( Marks: 1 ) - Please choose one
Solve 3x = 27 for x

• 0.9
  
• 6
  
• 18
  
• 9
  

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MTH302 solved Fall 2009 Final Term