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.
| 251. |
The positive square root of the mean of the squares of the deviations of observations from their mean iscalled____________ |
| A. | Variance |
| B. | Range |
| C. | Standard deviation |
| D. | Coefficient of variation |
| Answer» E. | |
| 252. |
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 | |
| 253. |
________ is the measure of average which can have more than one value____________ |
| A. | Mean |
| B. | Median |
| C. | Harmonic Mean |
| D. | Mode |
| Answer» E. | |
| 254. |
SSE can never be _____________ |
| A. | larger than SST |
| B. | smaller than SST |
| C. | equal to 1 |
| D. | equal to zero |
| Answer» B. smaller than SST | |
| 255. |
The measure of dispersion which is expressed in terms of the units of the observations I called________Absolute measure |
| A. | Variance |
| B. | Relative measure |
| C. | None of the above |
| D. | All of the Above |
| Answer» B. Relative measure | |
| 256. |
Which of the following is not cause of the correlation?____________ |
| A. | Direct relationship |
| B. | Correlation due to any other common cause |
| C. | Mutual Reaction |
| D. | None of these |
| Answer» E. | |
| 257. |
The sum of squared deviation is least from____________ |
| A. | Median |
| B. | Mean |
| C. | Mode |
| D. | Standard Deviation |
| Answer» C. Mode | |
| 258. |
Which of the following is an absolute measure of dispersion?___________ |
| A. | Coefficient of variation |
| B. | Coefficient of dispersion |
| C. | Standard deviation |
| D. | Coefficient of skewness |
| Answer» D. Coefficient of skewness | |
| 259. |
The Geometric Mean of -2, 4, 03, 6, 0 will be______________ |
| A. | -3 |
| B. | 0 |
| C. | Cannot be Computed |
| D. | None of these |
| Answer» D. None of these | |
| 260. |
To enhance a procedure the control charts and procedures of descriptive statistics are classified into_______ |
| A. | Behavioural Tools |
| B. | Serial Tools |
| C. | Industry Statistics |
| D. | Statistical Tools |
| Answer» B. Serial Tools | |
| 261. |
Which of the following point is not related with the utility of correlation?________ |
| A. | Relation between two variables |
| B. | Help in decision making |
| C. | Useful in research work |
| D. | All of these |
| Answer» E. | |
| 262. |
If the coefficient of determination is a positive value, then the regression equation__________ |
| A. | must have a positive slope |
| B. | must have a negative slope |
| C. | could have either a positive or a negative slope |
| D. | must have a positive y intercept |
| Answer» D. must have a positive y intercept | |
| 263. |
Which mean is most affected by extreme values?____________ |
| A. | Geometric Mean |
| B. | Harmonic Mean |
| C. | Arithmetic mean |
| D. | Trimmed Mean |
| Answer» D. Trimmed Mean | |
| 264. |
Which measure of dispersion has a different unit other than the unit of measurement of values________ |
| A. | Range |
| B. | Standard deviation |
| C. | Variance |
| D. | Mean deviation |
| Answer» C. Variance | |
| 265. |
Study of scatteredness of observations is known as ________ |
| A. | Measure of dispersion |
| B. | Standard deviation |
| C. | Measure of central tendency |
| D. | None of the above |
| Answer» B. Standard deviation | |
| 266. |
When the two regression line coincide, then r is_________ |
| A. | 1 |
| B. | -1 |
| C. | None of these |
| Answer» D. | |
| 267. |
Statistics branches include___________ |
| A. | Applied Statistics |
| B. | Mathematical Statistics |
| C. | Industry Statistics |
| D. | Both A and B |
| Answer» E. | |
| 268. |
The most repeated (popular) value in a data set is called____________ |
| A. | Median |
| B. | Mean |
| C. | Mode |
| D. | Geometric Mean |
| Answer» D. Geometric Mean | |
| 269. |
The standard deviation is independent of_____________ |
| A. | Change of origin |
| B. | Change of scale of measurement |
| C. | Change of origin and scale of measurement |
| D. | Difficult to tell |
| Answer» C. Change of origin and scale of measurement | |
| 270. |
If any of the value in data set is negative then it is impossible to compute___________ |
| A. | Arithmetic Mean |
| B. | Harmonic Mean |
| C. | Geometric Mean |
| D. | Mode |
| Answer» D. Mode | |
| 271. |
In Uni-model distribution, if mode is less than mean, then the distribution will be__________ |
| A. | Symmetrical |
| B. | Normal |
| C. | Positively skewed |
| D. | Negatively skewed |
| Answer» D. Negatively skewed | |
| 272. |
When mean, median, and mode are identical, the distribution is___________ |
| A. | Positively Skewed |
| B. | Negatively Skewed |
| C. | Symmetrical Bivariate |
| D. | Uniform |
| Answer» D. Uniform | |
| 273. |
Which is a method of measuring correlation?________ |
| A. | Graphic correlation |
| B. | Scatter diagrams |
| C. | None of these |
| D. | Both of these |
| Answer» E. | |
| 274. |
The coefficient of correlation____________ |
| A. | is the square of the coefficient of determination |
| B. | is the square root of the coefficient of determination |
| C. | is the same as r-square |
| D. | can never be negative |
| Answer» C. is the same as r-square | |
| 275. |
The average of the squared deviations about the arithmetic mean for a set of numbers is__________ |
| A. | Standard deviation |
| B. | Coefficient of mean deviation |
| C. | Mean deviation |
| D. | Variance |
| Answer» E. | |
| 276. |
In regression analysis, if the independent variable is measured in kilograms, the dependent variable ______ |
| A. | must also be in kilograms |
| B. | must be in some unit of weight |
| C. | cannot be in kilograms |
| D. | can be any units |
| Answer» E. | |
| 277. |
The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient ofvariation?____________ |
| A. | 60.4% |
| B. | 48.3% |
| C. | 35.7% |
| D. | 27.8% |
| Answer» C. 35.7% | |
| 278. |
The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distributionis__________ |
| A. | Positively Skewed |
| B. | Symmetrical |
| C. | Asymptotic |
| D. | Negatively Skewed |
| Answer» E. | |
| 279. |
The mean deviation is minimum when deviations are taken from____________ |
| A. | Mean |
| B. | Mode |
| C. | Median |
| D. | Zero |
| Answer» E. | |
| 280. |
The measures of dispersion are changed by the change of_______________ |
| A. | Scale |
| B. | Origin |
| C. | Unit |
| D. | None of these |
| Answer» B. Origin | |
| 281. |
The calculation of mean and variance is based on_____________ |
| A. | Small values only |
| B. | Large values only |
| C. | Extreme values only |
| D. | All values |
| Answer» E. | |
| 282. |
The ratio of the average deviations is called__________ |
| A. | Regression |
| B. | Correlation |
| C. | Skewness |
| D. | All of these |
| Answer» B. Correlation | |
| 283. |
Given below the four sets of observations. Which set has the minimum variation?____________ |
| A. | 46, 48, 50, 52, 54 |
| B. | 30, 40, 50, 60, 70 |
| C. | 40, 50, 60, 70, 80 |
| D. | 48, 49, 50, 51, 52 |
| Answer» E. | |
| 284. |
You asked five of your classmates about their height. On the basis of this information, you stated that theaverage height of all students in your university or college is 67 inches. This is an example of___________ |
| A. | Descriptive statistics |
| B. | Inferential Statistics |
| C. | Parameter |
| D. | Population |
| Answer» C. Parameter | |
| 285. |
Sum of square of the deviations about mean is___________ |
| A. | Maximum |
| B. | Minimum |
| C. | Zero |
| D. | None of these |
| Answer» C. Zero | |
| 286. |
Which of the following measurement scales is required for the valid calculation of Karl Pearson’scorrelation coefficient?__________ |
| A. | Ordinal |
| B. | Interval |
| C. | Ratio |
| D. | Nominal |
| Answer» B. Interval | |
| 287. |
In a regression and correlation analysis if r 2 = 1, then ___________ |
| A. | SSE = SST |
| B. | SSE = 1 |
| C. | SSR = SSE |
| D. | SSR = SST |
| Answer» E. | |
| 288. |
Standard deviation is calculated from the Harmonic Mean (HM)____________ |
| A. | Always |
| B. | Sometimes |
| C. | Never |
| D. | None of these |
| Answer» C. Never | |
| 289. |
__________ is based on all observations of data |
| A. | Median |
| B. | Mode |
| C. | Mean |
| D. | None of these |
| Answer» D. None of these | |
| 290. |
Which of the following Measure of Averages is not based on all the values given in the data set___________ |
| A. | Arithmetic Mean |
| B. | Geometric Mean |
| C. | Median |
| D. | Mode |
| Answer» D. Mode | |
| 291. |
Cumulative frequency is___________ |
| A. | Decreasing |
| B. | Increasing |
| C. | Different |
| D. | None of these |
| Answer» E. | |
| 292. |
………… provides the complete outline of the research report along withall details. |
| A. | preliminary |
| B. | body of the report |
| C. | main text |
| D. | methodology |
| Answer» D. methodology | |
| 293. |
………………….. is also known as arithmetic average |
| A. | dispersion |
| B. | range |
| C. | quartile |
| D. | mean |
| Answer» E. | |
| 294. |
………… of research problem is the first and most important step in theresearch process. |
| A. | formulating |
| B. | designing |
| C. | selecting |
| D. | reporting |
| Answer» B. designing | |
| 295. |
…………… research aims at finding a solution for an immediate problemfacing a society. |
| A. | applied |
| B. | descriptive |
| C. | qualitative |
| D. | empirical |
| Answer» B. descriptive | |
| 296. |
…………. bar charts are commonly used for presenting time series data. |
| A. | vertical |
| B. | horizontal |
| C. | component |
| D. | circle |
| Answer» B. horizontal | |
| 297. |
….… is an indepth comprehensive study of a person, unit, institution etc. |
| A. | content analysis |
| B. | observation method |
| C. | case-study |
| D. | focus group study |
| Answer» D. focus group study | |
| 298. |
………… presentation is particularly useful when the prospective readersare non-technical people or general public |
| A. | graphic |
| B. | table |
| C. | qualitative |
| D. | quantitative |
| Answer» B. table | |
| 299. |
………………. is a positional average. |
| A. | standard deviation |
| B. | range |
| C. | correlation |
| D. | median |
| Answer» E. | |
| 300. |
……………… is a measure that occurs most frequently in a distribution. |
| A. | mean |
| B. | average |
| C. | mode |
| D. | median |
| Answer» D. median | |