MCQOPTIONS
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MCQOPTIONS
This section includes 171 Mcqs, each offering curated multiple-choice questions to sharpen your Economics (CBCS) knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Standard deviation is the square root of the arithmetic average of the squares of the deviations measured from the_______ |
| A. | Mean |
| B. | Mode |
| C. | Median |
| D. | All of the above |
| Answer» B. Mode | |
| 102. |
50% of the values in a distribution are |
| A. | Above the median value |
| B. | Below the mode value |
| C. | Above mean value |
| D. | Below mean value |
| Answer» B. Below the mode value | |
| 103. |
A person drives for 200kms at a speed of 30km/hour. He drives another 200kms at a speed of 20km/hour. The appropriate measure for calculating average mean is___ |
| A. | Mean |
| B. | Harmonic mean |
| C. | Geometric mean |
| D. | All of the above |
| Answer» C. Geometric mean | |
| 104. |
If any of the observations is zero, then the Geometric mean is equal to |
| A. | Mean |
| B. | Median |
| C. | Mode |
| D. | Zero |
| Answer» E. | |
| 105. |
If the period of moving average is equal to the period of the cycle, the smoothing is perfect and we have |
| A. | A straight line trend |
| B. | A reverse trend |
| C. | A circle line trend |
| D. | A curvature line trend |
| Answer» B. A reverse trend | |
| 106. |
The value of probability lies between |
| A. | 0 and |
| B. | -1 and +1 |
| C. | 0 and 1 |
| D. | 1 and 100 |
| Answer» D. 1 and 100 | |
| 107. |
Quartile deviation is______ of the Standard deviation |
| A. | 0.6745 |
| B. | 0.7979 |
| C. | 0.50 |
| D. | None of the above |
| Answer» B. 0.7979 | |
| 108. |
The outcome of tossing a coin is a |
| A. | Simple event |
| B. | Mutually exclusive event |
| C. | Compound event |
| D. | Complementary event |
| Answer» B. Mutually exclusive event | |
| 109. |
What is the probability of getting exactly two tails in a single throw of 3 coins? |
| A. | 1/8 |
| B. | 2/8 |
| C. | 3/8 |
| D. | 2/6 |
| Answer» D. 2/6 | |
| 110. |
What is the probability of getting exactly one head in a single throw of two unbiased coins? |
| A. | 1/2 |
| B. | 1/4 |
| C. | 3/4 |
| D. | 1 |
| Answer» B. 1/4 | |
| 111. |
If a ball is drawn at random from a bag containing 4 white, 7 green and 10 black balls, what is the probability that it is a green ball? |
| A. | 7/21 |
| B. | 4/21 |
| C. | 7/7 |
| D. | 1/21 |
| Answer» B. 4/21 | |
| 112. |
The probability of the simultaneous occurrence of two events A and B is |
| A. | P(A) + P(B |
| B. | P(A) + P(B) P(A B |
| C. | P(A) P(B |
| D. | P(A) P(B/A), P(A) 0 |
| Answer» B. P(A) + P(B) P(A B | |
| 113. |
_________ is calculated on the basis of past experience and on experiment conducted. |
| A. | Classical probability |
| B. | Empirical probability |
| C. | Modern approach to probability |
| D. | None of the above |
| Answer» C. Modern approach to probability | |
| 114. |
Permutation refers to |
| A. | Arrangements |
| B. | Groups |
| C. | Outcomes |
| D. | Events |
| Answer» B. Groups | |
| 115. |
In probability theories, events which can never occur together are called |
| A. | Dependent events |
| B. | Independent events |
| C. | Mutually exclusive events |
| D. | Non-mutually exclusive events |
| Answer» D. Non-mutually exclusive events | |
| 116. |
If it is known that an event A has occurred, the probability of an event B given A is called |
| A. | Classical probability |
| B. | Statistical probability |
| C. | Posteriori probability |
| D. | Conditional probability |
| Answer» E. | |
| 117. |
If the happening of an event is not affected by the happening of other events, it is said to be |
| A. | A dependent events |
| B. | An independent events |
| C. | Mutually exclusive events |
| D. | Exhaustive cases |
| Answer» C. Mutually exclusive events | |
| 118. |
A graph consists of _______ lines. |
| A. | Parallel line |
| B. | Smooth curve |
| C. | Curve |
| D. | Straight |
| Answer» E. | |
| 119. |
In a discrete probability distribution, the random variables are |
| A. | Natural numbers |
| B. | Whole numbers |
| C. | Imaginary numbers |
| D. | Rational numbers |
| Answer» C. Imaginary numbers | |
| 120. |
The parameters involved in binomial distribution is/are |
| A. | n |
| B. | p and q |
| C. | n, p and q |
| D. | n and p |
| Answer» E. | |
| 121. |
Binomial distribution is a ________ distribution. |
| A. | Discrete probability |
| B. | Continuous probability |
| C. | Nonparametric discrete probability |
| D. | None of the above |
| Answer» B. Continuous probability | |
| 122. |
It is suitable to use binomial distribution for |
| A. | Large value of n |
| B. | Small value of n |
| C. | Fractional value of n |
| D. | Any value of n |
| Answer» C. Fractional value of n | |
| 123. |
Time Reversal Test was developed by |
| A. | J.M Keynes |
| B. | Laspeyre |
| C. | Irving Fisher |
| D. | Paasche |
| Answer» D. Paasche | |
| 124. |
In a binomial distribution, if n is the number of trials and p is the probability of success, then the mean value is given by |
| A. | n |
| B. | np |
| C. | np |
| D. | npq |
| Answer» D. npq | |
| 125. |
The standard deviation of binomial distribution is express as |
| A. | npq |
| B. | np |
| C. | |
| D. | Pq |
| Answer» D. Pq | |
| 126. |
Variance of binomial distribution is maximum when |
| A. | p < q |
| B. | p = q |
| C. | p > q |
| D. | none of the above |
| Answer» C. p > q | |
| 127. |
The variance of binomial distribution can be express as |
| A. | pqr |
| B. | np |
| C. | npq |
| D. | none of the above. |
| Answer» D. none of the above. | |
| 128. |
Poisson distribution is a ________ distribution. |
| A. | Discrete probability |
| B. | Continuous probability |
| C. | Bi-parametric discrete probability |
| D. | None of the above |
| Answer» B. Continuous probability | |
| 129. |
A family of parametric distributions in which mean is equal to variance is |
| A. | Binomial distribution |
| B. | Poisson distribution |
| C. | Normal distribution |
| D. | All of the above. |
| Answer» C. Normal distribution | |
| 130. |
Poisson distribution has only one parameter which is the |
| A. | Mean |
| B. | Variance |
| C. | Standard variation |
| D. | Mode |
| Answer» B. Variance | |
| 131. |
If m is the mean of a Poisson distribution, the variance is given by |
| A. | m2 |
| B. | m |
| C. | m |
| D. | m/2 |
| Answer» C. m | |
| 132. |
Poisson distribution is |
| A. | Positively skewed distribution |
| B. | Negatively skewed distribution |
| C. | Not skewed distribution |
| D. | All of the above |
| Answer» B. Negatively skewed distribution | |
| 133. |
Poisson distribution with regard to peakedness is |
| A. | Platykurtic |
| B. | Mesokurtic |
| C. | Leptokurtic |
| D. | Depends on value of its parameter |
| Answer» D. Depends on value of its parameter | |
| 134. |
The outcomes of tossing a coin five times are a variable of the type |
| A. | Continuous random variable |
| B. | Discrete random variable |
| C. | Neither discrete nor continuous random variable |
| D. | Discrete as well as continuous random variable |
| Answer» C. Neither discrete nor continuous random variable | |
| 135. |
Index numbers are useful only when data can be expressed in |
| A. | Qualitative terms |
| B. | Quantitative terms |
| C. | Percentage |
| D. | Descending order |
| Answer» C. Percentage | |
| 136. |
What is the probability of getting a black king from a standard pack of 52 cards? |
| A. | 1/52 |
| B. | 2/52 |
| C. | 4/52 |
| D. | None of the above |
| Answer» C. 4/52 | |
| 137. |
A graph that uses vertical bars to represent data is called a_____- |
| A. | Line graph |
| B. | Bar graph |
| C. | Scatter-plot |
| D. | Vertical graph |
| Answer» C. Scatter-plot | |
| 138. |
Most of the time series relating to economic and business phenomena conform to the |
| A. | Additive model |
| B. | Mixed model |
| C. | Percentage model |
| D. | Multiplicative model |
| Answer» E. | |
| 139. |
The four components of a time series are not necessarily |
| A. | Mutually dependent |
| B. | Mutually independent |
| C. | Equilibrium |
| D. | Not equilibrium |
| Answer» C. Equilibrium | |
| 140. |
The Normal distribution is ___________________? |
| A. | Platykurtic |
| B. | Mesoukurtic |
| C. | Leptokurtic |
| D. | None of these |
| Answer» C. Leptokurtic | |
| 141. |
Which of the following will give a more accurate representation of the population from which a sample has been taken? |
| A. | A large sample based on the convenience sampling technique |
| B. | A small sample based on simple random sampling |
| C. | A small cluster sample |
| D. | A large sample based on simple random sampling |
| Answer» E. | |
| 142. |
Which of the following is/are a mathematical averages? |
| A. | Geometric mean |
| B. | Harmonic mean |
| C. | Arithmetic mean |
| D. | All of the above |
| Answer» E. | |
| 143. |
In a multiplicative model the seasonal effects are expressed as |
| A. | Percentage or Ratio |
| B. | Percentage or Square root |
| C. | Square root or Ratio |
| D. | Ratio or Variation |
| Answer» B. Percentage or Square root | |
| 144. |
Which one of the following is a pre-requisite for a good measure of dispersion? |
| A. | It should be affected by fluctuation of sampling |
| B. | It should be easy to calculate |
| C. | It should not be based on all observations |
| D. | All of the above |
| Answer» C. It should not be based on all observations | |
| 145. |
The second degree parabola is fitted to the time series when the variations are: |
| A. | Linear |
| B. | Nonlinear |
| C. | Random |
| D. | Semi-linear |
| Answer» B. Nonlinear | |
| 146. |
A census taker often collects data through which of the following ? |
| A. | Standardized tests |
| B. | Interviews |
| C. | Secondary data |
| D. | Observations |
| Answer» C. Secondary data | |
| 147. |
Which of these represent qualitative data? |
| A. | Height of a student |
| B. | Liking or disliking of (500) persons of a product |
| C. | The income of a government servant in a city |
| D. | Yield from a wheat plot |
| Answer» C. The income of a government servant in a city | |
| 148. |
Which one of the following is a positional average? |
| A. | Geometric mean |
| B. | Harmonic mean |
| C. | Median |
| D. | None of the above |
| Answer» D. None of the above | |
| 149. |
If Arithmetic mean = 20 and Median = 25. Then, the value of Mode is equal to__ |
| A. | 22.5 |
| B. | 20.5 |
| C. | 30.0 |
| D. | None of the above |
| Answer» E. | |
| 150. |
The product of the index number by another index number based on the same data with price and quantity interchanged should be equal to the ratio of aggregate value in the current to the aggregate value in the base year is |
| A. | Time reversal test |
| B. | Circular test |
| C. | Factor Reversal Test |
| D. | Test of proportionality |
| Answer» D. Test of proportionality | |