MCQOPTIONS
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MCQOPTIONS
This section includes 594 Mcqs, each offering curated multiple-choice questions to sharpen your SSC CGL knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Standard deviation of first 50 natural number is__________ |
| A. | 12.43 |
| B. | 10.43 |
| C. | 14.43 |
| D. | 16.43 |
| Answer» D. 16.43 | |
| 152. |
A regression analysis between sales (in $1000) and price (in dollars) resulted in the following equation: ! = 50,000 - 8X The above equation implies that an ________ |
| A. | increase of $1 in price is associated with a decrease of $8 in sales |
| B. | increase of $8 in price is associated with an increase of $8,000 in sales |
| C. | increase of $1 in price is associated with a decrease of $42,000 in sales |
| D. | increase of $1 in price is associated with a decrease of $8000 in sales |
| Answer» E. | |
| 153. |
What is the geometric mean of: 1, 2, 8, and 16?___________ |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» B. 5 | |
| 154. |
If Y = ax ± b, where a and b are any two numbers but a 0, then M.D(Y) is equal to__________ |
| A. | M.D(X) |
| B. | M.D(X) ± b |
| C. | a M.D(X) |
| D. | M.D(Y) + M.D(X) |
| Answer» E. | |
| 155. |
If the dispersion is small, the standard deviation is____________ |
| A. | Large |
| B. | Zero |
| C. | Small |
| D. | Negative |
| Answer» D. Negative | |
| 156. |
The scatter in a series of values about the average is called___________ |
| A. | Central tendency |
| B. | Dispersion |
| C. | Skewness |
| D. | Symmetry |
| Answer» C. Skewness | |
| 157. |
Statistics are aggregates of______________ |
| A. | Methods |
| B. | Calculations |
| C. | Facts |
| D. | Data |
| Answer» E. | |
| 158. |
In regression, the equation that describes how the response variable (y) is related to the explanatoryvariable (x) is___________ |
| A. | the correlation model |
| B. | the regression model |
| C. | used to compute the correlation coefficient |
| D. | None of these alternatives is correct. |
| Answer» C. used to compute the correlation coefficient | |
| 159. |
Sum of absolute deviations about median is_________ |
| A. | Zero |
| B. | Maximum |
| C. | Minimum |
| D. | One |
| Answer» D. One | |
| 160. |
Calculate coefficient of variation c)V.) for the following data 2,4,8,6,10 and 12 is____________ |
| A. | 48.86 |
| B. | 42.86 |
| C. | 40.86 |
| D. | 0.49 |
| Answer» B. 42.86 | |
| 161. |
In statistics, a population consists of____________ |
| A. | All People living in a country |
| B. | All People living in the area under study |
| C. | All subjects or objects whose characteristics are being studied |
| D. | None of the above |
| Answer» D. None of the above | |
| 162. |
Population census is conducted through________ |
| A. | Sample survey |
| B. | Accounting |
| C. | Investigation |
| D. | Complete enumeration |
| Answer» E. | |
| 163. |
If mean is less than mode, the distribution will be____________ |
| A. | Positively skewed |
| B. | Negatively skewed |
| C. | Symmetrical |
| D. | None of these |
| Answer» C. Symmetrical | |
| 164. |
Half of the difference between upper and lower quartiles is called___________ |
| A. | Interquartile range |
| B. | Quartile deviation |
| C. | Mean deviation |
| D. | Standard deviation |
| Answer» D. Standard deviation | |
| 165. |
The measure of dispersion which uses only two observations is called__________ |
| A. | Range |
| B. | Quartile deviation |
| C. | Mean deviation |
| D. | Standard deviation |
| Answer» B. Quartile deviation | |
| 166. |
What is the arithmetic mean of the data set: 4, 5, 0, 10, 8, and 3?____________ |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 5 |
| Answer» C. 7 | |
| 167. |
A set of values is said to be relatively uniform if it has___________ |
| A. | High Dispersion |
| B. | Zero Dispersion |
| C. | Littel Dispersion |
| D. | Negative Dispersion |
| Answer» D. Negative Dispersion | |
| 168. |
Graphical and numerical methods are specialized processes utilized in_________ |
| A. | Education Statistics |
| B. | Descriptive Statistics |
| C. | Business Statistics |
| D. | Social Statistics |
| Answer» C. Business Statistics | |
| 169. |
In statistics, conducting a survey means__________ |
| A. | Collecting information from elements |
| B. | Making mathematical calculations |
| C. | Drawing graphs and pictures |
| D. | None of the above |
| Answer» C. Drawing graphs and pictures | |
| 170. |
The weights of students in a college/ school is a___________ |
| A. | Discrete Variable |
| B. | Continuous Variable |
| C. | Qualitative Variable |
| D. | None of these |
| Answer» C. Qualitative Variable | |
| 171. |
Harmonic men gives more weigntage to____________ |
| A. | Small Values |
| B. | Large Values |
| C. | Positive Values |
| D. | Negative Values |
| Answer» B. Large Values | |
| 172. |
If the observations of a variable X are, -4, -20, -30, -44 and -36, then the value of the range willbe_________ |
| A. | -48 |
| B. | 40 |
| C. | -40 |
| D. | 48 |
| Answer» E. | |
| 173. |
If all the scores on examination cluster around the mean, the dispersion is said to be________ |
| A. | Small |
| B. | Large |
| C. | Normal |
| D. | Symmetrical |
| Answer» B. Large | |
| 174. |
Census reports used as a source of data is________ |
| A. | Primary source |
| B. | Secondary source |
| C. | Organized data |
| D. | None |
| Answer» E. | |
| 175. |
If there exists any relation between the sets of variables, it is called__________ |
| A. | Regression |
| B. | Skewness |
| C. | Correlation |
| D. | All of these |
| Answer» D. All of these | |
| 176. |
The distribution in which mean = 60 and mode = 50, will be ____________ |
| A. | Symmetrical |
| B. | Positive skewed |
| C. | Negative skewed |
| D. | None of these |
| Answer» C. Negative skewed | |
| 177. |
When a multiple correlation coefficient R 1.23 =1 , then R 2.13 is________ |
| A. | 1 |
| B. | -1 |
| C. | None of these |
| Answer» B. -1 | |
| 178. |
5. The degree to which numerical data tend to spread about an average value called________ |
| A. | Constant |
| B. | Flatness |
| C. | Variation |
| D. | Skewness |
| Answer» D. Skewness | |
| 179. |
Which one is the not measure of dispersion.____________ |
| A. | The Range |
| B. | 50th Percentile |
| C. | Inter-Quartile Range |
| D. | Variance |
| Answer» C. Inter-Quartile Range | |
| 180. |
The extreme values in negatively skewed distribution lie in the_____________ |
| A. | Middle |
| B. | Right Tail |
| C. | Left Tail |
| D. | Whole Curve |
| Answer» D. Whole Curve | |
| 181. |
In regression analysis, the variable that is being predicted is the __________ |
| A. | response, or dependent, variable |
| B. | independent variable |
| C. | intervening variable |
| D. | is usually x |
| Answer» B. independent variable | |
| 182. |
The range of the values -5, -8, -10, 0, 6, 10 is___________ |
| A. | 0 |
| B. | 10 |
| C. | -10 |
| D. | 20 |
| Answer» E. | |
| 183. |
If in a distribution left tail is longer than right tail, then the distribution will be____________ |
| A. | Symmetrical |
| B. | Positive skewed |
| C. | Negative skewed |
| D. | None of these |
| Answer» D. None of these | |
| 184. |
If mean, median, and mode are all equal then distribution will be_______________ |
| A. | Positive Skewed |
| B. | Negative Skewed |
| C. | Symmetrical |
| D. | None of these |
| Answer» D. None of these | |
| 185. |
Which of the following is a unit free quantity___________ |
| A. | Range |
| B. | Standard deviation |
| C. | Coefficient of variation |
| D. | Arithmetic mean |
| Answer» E. | |
| 186. |
If any of the value in the data set is zero then it is not possible (i.e. impossible) to compute_____________ |
| A. | Mode |
| B. | Median |
| C. | Mean |
| D. | Harmonic Mean |
| Answer» E. | |
| 187. |
When the correlation coefficient between x and y is positive, then as variable x decreases, variable yRemains the same________ |
| A. | Increases |
| B. | Decreases |
| C. | Changes linearly |
| D. | none |
| Answer» C. Changes linearly | |
| 188. |
Which of the following cannot be less than zero (negative)?_____________ |
| A. | Median |
| B. | Geometric Mean |
| C. | Arithmetic Mean |
| D. | Harmonic Mean |
| Answer» C. Arithmetic Mean | |
| 189. |
In symmetrical distribution, mean, median, and mode are__________ |
| A. | Equal |
| B. | Different |
| C. | Zero |
| D. | None of these |
| Answer» B. Different | |
| 190. |
Individual respondents, focus groups, and panels of respondents are categorized as_________ |
| A. | Primary Data Sources |
| B. | Secondary Data Sources |
| C. | Itemised Data Sources |
| D. | Pointed Data Sources |
| Answer» B. Secondary Data Sources | |
| 191. |
Review of performance appraisal, labour turnover rates, planning of incentives and training programs and areexamples of ___________ |
| A. | Statistics in Production |
| B. | Statistics in Marketing |
| C. | Statistics in Finance |
| D. | Statistics in Personnel Management |
| Answer» E. | |
| 192. |
The correlation coefficient is used to determine________ |
| A. | A specific value of the y-variable given a specific value of the x-variable |
| B. | A specific value of the x-variable given a specific value of the y-variable |
| C. | The strength of the relationship between the x and y variables |
| D. | None of these |
| Answer» D. None of these | |
| 193. |
The mean deviation of the scores 12, 15, 18 is_____________ |
| A. | 6 |
| B. | 0 |
| C. | 3 |
| D. | 2 |
| Answer» C. 3 | |
| 194. |
The values of mean, median and mode can be____________ |
| A. | Some time equal |
| B. | Never equal |
| C. | Always equal |
| D. | None of these |
| Answer» B. Never equal | |
| 195. |
Which of the following measures of dispersion is expressed in the same units as the units ofobservation?__________ |
| A. | Variance |
| B. | Standard deviation |
| C. | Coefficient of variation |
| D. | Coefficient of standard deviation |
| Answer» D. Coefficient of standard deviation | |
| 196. |
The variables whose calculation is done according to the weight, height and length and weight are knownas:_______ |
| A. | Flowchart Variables |
| B. | Discrete Variables |
| C. | Continuous Variables |
| D. | Measuring Variables |
| Answer» D. Measuring Variables | |
| 197. |
The measure of dispersion which is expressed in terms of the nits of observations__________ |
| A. | Absolute measure |
| B. | Variance |
| C. | Relative measure |
| D. | None of the above |
| Answer» B. Variance | |
| 198. |
A constant variable can take values____________ |
| A. | Zero |
| B. | Fixed |
| C. | Not fixed |
| D. | Nothing |
| Answer» D. Nothing | |
| 199. |
The range of the scores 29, 3, 143, 27, 99 is_____________ |
| A. | 140 |
| B. | 143 |
| C. | 146 |
| D. | 70 |
| Answer» C. 146 | |
| 200. |
The sum of absolute deviations is minimum if these deviations are taken from the_____________ |
| A. | Mean |
| B. | Mode |
| C. | Median |
| D. | Upper quartile |
| Answer» D. Upper quartile | |