MCQOPTIONS
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MCQOPTIONS
This section includes 148 Mcqs, each offering curated multiple-choice questions to sharpen your Master of Commerce (MDotcom) knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The element residing in the 3rd column and 4th row is represented by: |
| A. | (a)a12 |
| B. | (b) a43 |
| C. | (c) a34 |
| D. | NOTA |
| Answer» C. (c) a34 | |
| 102. |
A matrix that has elements in the horizontal line only is known as: |
| A. | Square Matrix |
| B. | Determinant |
| C. | Row Matrix |
| D. | Column Matrix |
| Answer» D. Column Matrix | |
| 103. |
For the equations 2x-y=5;3x+2y=-3; The values of x and y are |
| A. | -1 and 3 |
| B. | 1 and -3 |
| C. | 2 and 3 |
| D. | NOTA |
| Answer» C. 2 and 3 | |
| 104. |
In perfect positive correlation: |
| A. | r = 0 |
| B. | r = -1 |
| C. | r = +1 |
| D. | r = +/- 1 |
| Answer» D. r = +/- 1 | |
| 105. |
Coefficient of correlation will be always |
| A. | More than 0 |
| B. | More than -1 |
| C. | Less than -1 |
| D. | Between -1 and +1 |
| Answer» E. | |
| 106. |
Correlation analysis between one dependent variable with one independent variable by keeping the other independent variables as constant is called...................... |
| A. | Partial correlation |
| B. | Multiple correlation |
| C. | Nonsense correlation |
| D. | Simple correlation |
| Answer» B. Multiple correlation | |
| 107. |
The Correlation coefficient between two variables is the ........................... of their regression coefficients. |
| A. | Arithmetic mean |
| B. | Geometric mean |
| C. | Harmonic mean |
| D. | None of these |
| Answer» C. Harmonic mean | |
| 108. |
The slope of regression line of Y on X is also called the |
| A. | Correlation coefficient of Y on X |
| B. | Correlation coefficient of X on Y |
| C. | Regression coefficient of X on Y |
| D. | Regression coefficient of Y on X |
| Answer» E. | |
| 109. |
If r is the simple correlation coefficient, the quantity r2 is known as ................... |
| A. | Coefficient of determination |
| B. | Coefficient of non-determination |
| C. | Coefficient of alienation |
| D. | None of these |
| Answer» B. Coefficient of non-determination | |
| 110. |
The regression coefficient and correlation coefficient of the two variables will be the same if their .............................are same. |
| A. | Arithmetic mean |
| B. | Standard deviation |
| C. | Geometric mean |
| D. | Mean deviation |
| Answer» C. Geometric mean | |
| 111. |
The property that both the regression coefficients and correlation coefficient have same signs is called................................ |
| A. | Fundamental property |
| B. | Magnitude property |
| C. | Signature property |
| D. | None of these |
| Answer» D. None of these | |
| 112. |
When the two regression lines are parallel to each other, then their slopes are |
| A. | Zero |
| B. | Different |
| C. | Same |
| D. | Positive |
| Answer» D. Positive | |
| 113. |
While testing a hypothesis, if level of significance is not mentioned, we take ................... level of significance. |
| A. | 1% |
| B. | 2% |
| C. | 5% |
| D. | 10% |
| Answer» D. 10% | |
| 114. |
We can measure the cause and effect relationship by the help of |
| A. | Time series analysis |
| B. | Cross-sectional analysis |
| C. | Correlation analysis |
| D. | Regression analysis |
| Answer» E. | |
| 115. |
Function f(x) is exist when: |
| A. | LHL = RHL |
| B. | LHL RHL |
| C. | LHL > RHL |
| D. | LHL < RHL |
| Answer» B. LHL RHL | |
| 116. |
A function expressed directly in terms of the dependent variable is an _________ function, where one variable is dependent on the other. |
| A. | implicit |
| B. | fixed |
| C. | variable |
| D. | explicit |
| Answer» E. | |
| 117. |
is: |
| A. | 1 + c |
| B. | 0 |
| C. | x + c |
| D. | y + c |
| Answer» D. y + c | |
| 118. |
The limit of a constant function lim = is |
| A. | x |
| B. | c |
| C. | a |
| D. | f(x) |
| Answer» C. a | |
| 119. |
The derivative of x3 is |
| A. | 3x |
| B. | 3 |
| C. | 3x2 |
| D. | x |
| Answer» D. x | |
| 120. |
The derivative of (5x - 2)3 is |
| A. | 15(5x - 2)2 |
| B. | 5x - 2 |
| C. | 15(5x - 2)3 |
| D. | 15x - 2 |
| Answer» B. 5x - 2 | |
| 121. |
In the equation y = f (x), y is the __________variable and x is the ____________variable. |
| A. | dependent; independent |
| B. | independent; dependent |
| C. | first; second |
| D. | explicit; implicit |
| Answer» B. independent; dependent | |
| 122. |
A square matrix in which every non-diagonal is zero and all diagonal elements are equal is called |
| A. | Scaler matrix |
| B. | Square matrix |
| C. | Column matrix |
| D. | Row matrix |
| Answer» B. Square matrix | |
| 123. |
The derivative of 2x+3 is |
| A. | x |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» D. 1 | |
| 124. |
7. is equal to |
| A. | 1 |
| B. | x |
| C. | y |
| D. | 0 |
| Answer» C. y | |
| 125. |
Differential calculus helps to find the |
| A. | Rate of change of a quantity |
| B. | Quantity when the rate of change is known |
| C. | Quantity when the rate of change is unknown |
| D. | None of the above |
| Answer» B. Quantity when the rate of change is known | |
| 126. |
Integral calculus helps to find the |
| A. | Rate of change of a quantity |
| B. | Quantity when the rate of change is known |
| C. | Quantity when the rate o change is unknown |
| D. | None of the above |
| Answer» C. Quantity when the rate o change is unknown | |
| 127. |
When two events cannot occur simultaneously in a single trial it is called |
| A. | Mutually exclusive events |
| B. | Collectively exclusive events |
| C. | Mutually exhaustive events |
| D. | None of the above |
| Answer» B. Collectively exclusive events | |
| 128. |
In regression analysis, the variable that is being predicted is the |
| A. | explained or dependentvariable |
| B. | independent variable |
| C. | intervening variable |
| D. | is usually x |
| Answer» B. independent variable | |
| 129. |
A dice is thrown. Find the probability of getting an even number? |
| A. | 2/6 |
| B. | 3/6 |
| C. | 4/6 |
| D. | 5/6 |
| Answer» C. 4/6 | |
| 130. |
The total current year prices for the various commodities in question is divided by the total of base year prices and the quotient is multiplied under |
| A. | simple aggregative method |
| B. | simple average of relative method |
| C. | weighted aggregative method |
| D. | Laspeyres methos |
| Answer» B. simple average of relative method | |
| 131. |
One card is drawn from a standard pack of 52. What is the probability that the card drawn is a king? |
| A. | 4/52 |
| B. | 1/4 |
| C. | 1/52 |
| D. | 52/4 |
| Answer» B. 1/4 | |
| 132. |
Regression coefficient is independent of |
| A. | Origin |
| B. | Scale |
| C. | Both origin and scale |
| D. | None of the above |
| Answer» B. Scale | |
| 133. |
Testing of hypotheses Ho : = 45 vs. H1 : > 45 when the population standard deviation is known, the appropriate test is: |
| A. | t-test |
| B. | Z test |
| C. | Chi-square test |
| D. | F test |
| Answer» C. Chi-square test | |
| 134. |
Two events that cannot be happened simultaneously is known as: |
| A. | Exhaustive events |
| B. | Independent events |
| C. | Mutually exclusive events |
| D. | none of the above |
| Answer» D. none of the above | |
| 135. |
The total events to throw three dice simultaneously is |
| A. | 6 |
| B. | 18 |
| C. | 21 |
| D. | 216 |
| Answer» E. | |
| 136. |
In ..................... regression analysis, only one independent variable is used to explain the dependent variable. |
| A. | Multiple |
| B. | Non-linear |
| C. | Linear |
| D. | None of these |
| Answer» D. None of these | |
| 137. |
If two events A and B are mutually exclusive the probability of the occurrence of either A or B is the sum individual probability of A and B. This theorem is called: |
| A. | Multiplication theorem |
| B. | Addition theorem |
| C. | Classical probability |
| D. | Subtraction theorem |
| Answer» C. Classical probability | |
| 138. |
A function expressed directly in terms of the dependent variable is said to be an |
| A. | Explicit function |
| B. | One valued function |
| C. | Two valued function |
| D. | None of the above |
| Answer» C. Two valued function | |
| 139. |
When the dependent variable increases with an increase in the independent variable, the function is called |
| A. | Algebraic functions |
| B. | Rational functions |
| C. | Monotonically increasing function |
| D. | None of the above |
| Answer» D. None of the above | |
| 140. |
Integration is also known as |
| A. | Anti-derivative |
| B. | Disintegration |
| C. | Differentiation |
| D. | Integral |
| Answer» B. Disintegration | |
| 141. |
The limit of the ratio of the increment in the function corresponding to a small increment in the argument as the latter tends to zero is |
| A. | matrix |
| B. | limit |
| C. | function |
| D. | derivative |
| Answer» E. | |
| 142. |
If r is the simple correlation coefficient, the quantity 1 -- r2 is known as ................... |
| A. | Coefficient of determination |
| B. | Coefficient of non-determination |
| C. | Coefficient of alienation |
| D. | None of these |
| Answer» C. Coefficient of alienation | |
| 143. |
If the correlation coefficient between two variables, X and Y, is negative, then the regression coefficient of Y on X is............................. |
| A. | Positive |
| B. | Negative |
| C. | Not certain |
| D. | None of these |
| Answer» C. Not certain | |
| 144. |
Purchasing power of money can be accessed through: |
| A. | Simple index |
| B. | Fisher s index |
| C. | Consumer price index |
| D. | Volume index |
| Answer» D. Volume index | |
| 145. |
Rank correlation coefficient is also known as 10 |
| A. | Pearsonian Correlation Coefficient |
| B. | Pearson s Correlation Coefficient |
| C. | Random Correlation Coefficient |
| D. | Spearman s Correlation Coefficient |
| Answer» E. | |
| 146. |
....................refers to analysis of average relationship between two variables to provide mechanism for prediction. |
| A. | Correlation |
| B. | Regression |
| C. | Standard error |
| D. | None of these |
| Answer» C. Standard error | |
| 147. |
The average difference between the items in a distribution and the median or mean of that series is known as: |
| A. | Range |
| B. | Mean deviation |
| C. | Inter-quartile range |
| D. | Standard deviation |
| Answer» C. Inter-quartile range | |
| 148. |
What type of chart will be used to plot the number of defective in the output of any process? |
| A. | x chart |
| B. | R chart |
| C. | C chart |
| D. | P chart |
| Answer» E. | |