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1)
Which one of the following is not a component of the multiplicative time series model?
- A) trend
- B) irregular variation
- C) regression trend
- D) seasonality
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2)
For graphing univariate data we use
- A) Pie charts,Bar chart
- B) Pareto diagram
- C) Side by side chart
- D) Both (1) & (2)
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3)
Linear equation: x − y = 0 has the solution only if
- A) x > y
- B) x < y
- C) x = y
- D) x ≠ y
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4)
For mutually exclusive events A and B
- A) Probability of A intersection B > 0
- B) Probability of A intersection B < 0
- C) Probability of A intersection B = 0
- D) None of these
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5)
Faulty apple toffees in a production line average out at 6 per box.The management is willing to replace one box in a hundred.What is the number of faulty toffees that this probabilty corresponds to?
- A) 20
- B) 18
- C) 13
- D) None
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6)
The following formula for probability P(A or B) = P(A) + P(B)-P(A and B) is called
- A) The law of addition
- B) The law of subtraction
- C) The law of multiplication
- D) None of these
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7)
In the normal distribution curve, peak of the bell-shaped curve gives
- A) Standard deviation
- B) Variance
- C) Mean
- D) Frequency
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8)
Scatterplots are used only for
- A) quantitative variables
- B) mulivariables
- C) surplus varible
- D) None of these
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9)
A college has 10 basketball players. A 5-member team and a captain will be selected out of these 10 players. How many different selections can be made?
- A) 1260
- B) 210
- C) 210
- D) 10C5 * 6
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10)
An insurance company wants to predict sales from the amount of money they spend on advertising. Which would be the independent variable?
- A) sales
- B) advertising
- C) insufficient information to decide
- D) (iv) Both (i) and (ii) are correct.
