Most important quiz question with answers

202. A negative coefficient of skewness implies that

(a) mean is equal to mode

(b) mean is greater than mode

(c) mean is equal to median

(d) mean is less than mode

210. Bowley’s coefficient of skewness is

(a) Less than

(b) Equal to

(c) Greater than

(d) Not related to Karl Pearson’s coefficient of skewness.

211. For a symmetrical distribution the coefficient of skewness is

(a) +3

(b) -1

(c) +1

(d) Zero

213. Karl Pearson’s coefficient of skewness

(a) is always negative

(b) is always positive

(c) can be both positive and negative

(d) cannot be zero

214. When coefficient of skewness is positive the distribution is said to be

(a) Platykutic

(b) Leptokutic

(c) Symmetrical

(d) Positively skewed

216. According to Piaget, the stage of concrete operations in children’s development occurs between the ages of

(a) 7 to 11 years

(b) Birth to 2 years

(c) 11 to 16 years

(d) 0 to 7 years

217. Validity of a test means

(a) Discriminating ability

(b) Consistency of results

(c) Level of difficulty

(d) Predicative quality

218. Karl Pearson’s coefficient of skewness of a distribution is 0.4. Its mean is 30. The value of median will be

(a) 31.25

(b) 28.93

(C) 25.63

(d) 34.15

219. Flexibility should be brought about not only in the contact and areas of learning but also in the use of

(a) Interaction materials

(b) Sports materials

(c) Social system

(d) Economic problem

220. The examination oriented system of education in India emphasizes extra homework and leaves little time for

(a) Clubs

(b) Games

(c) Social service activities

(d) All of the above

222. A good hypothesis should be

(a) Precise, specific and consistent with most known facts

(b) Formulated in such a way that it can be tested by the data

(c) Of limited scope and should not have global significance

(d) All of these

223. A research problem is feasible only when

(a) It is researchable

(b) It is new and adds something to knowledge

(c) It has utility and relevance

(d) All of these

224. Studying the social status of a population a researcher concluded that Mr. X is socially backward. His conclusion is

(a) Wrong

(b) Right

(c) Inaccurate

(d) Biased

225. If N = 100, P 85 shall lie in:

(a) 70^th item

(b) 85^th item

(c) 80^th item

(d) 90^th item

226. When the given data is divided into two equal parts to calculate the time series it is called

(a) Semi Average Method

(b) Moving Average Method

(c) Sampling Method

(d) None of the above

227. If 4 or 6 or 8 years moving average is secured to draw a trend line it is called

(a) Even period of moving averages

(b) Semi average method

(c) Sampling method

(d) None of the above

228. The long term movements when studied in statistics are called

(a) Secular trend

(b) Range trends

(c) Data collection

(d) None of the above

229. An example of scientific knowledge is

(a) Social traditions and customs

(b) Authority of the Prophet or great men

(c) Religious scriptures

(d) Laboratory and field experiments

230. The word ‘Education’ as derived from its root terms means

(a) To give instruction

(b) To develop children

(c) To develop the environment

(d) To train in literacy

231. Link relative method is used to study

(a) Cyclical variations

(b) Seasonal variations

(c) Both a & b

(d) None of the above

232. The mathematical method of measuring trend value is called

(a) Least squares method

(b) Semi averages method

(c) Moving averages method

(d) None of the above

233. Which technique is generally followed when the population is finite?

(a) Purposive sampling technique

(b) Area sampling technique

(c) Systematic sampling technique

(d) None of the above

234. A researcher divides his population into certain groups and fixes the size of the sample from each group. It is called

(a) Stratified sample

(b) Quota sample

(c) Cluster sample

(d) all of the above

235. If you are doing experiment on a large group of sample which method of controlling will you adopt?

(a) Matching

(b) Randomization

(c) Elimination

(c) Elimination and matching both

236. Some of the sources of secondary data are

(a) Internal records of a firm’s sales, production, etc.

(b) The data obtained by a firm in a survey conducted by it

(c) Confidential records of the Government

(d) Reports and publications of Central and State Government

237. If the marks obtained by 5 students are 40, 60, 70, 80, 90 the modal marks are:

(a) 60

(b) 90

(c) 40

(d) 80

238. The historical research is different from experimental research in the process of

(a) The formulation of the hypothesis

(b) Replication

(c) The hypothesis testing

(d) All of the above

239. Who is regarded the father of scientific social surveys?

(a) Best

(b) Booth

(c) Darwin

(d) None of these

240. Statistical observations arranged in chronological order is called

(a) Regression

(b)Time services

(c) Progression

(d) None of the above

241. Which of the following is not the characteristic of a researcher?

(a) He is industrious and persistent on the trial of discovery

(b) He is a specialist rather than a generalist

(c) He is not inspirational to his chosen field but accepts the reality

(d)He is not versatile in his interest and even in his native abilities

242. Bibliography given in a research report

(a) Helps those interested in further research and studying the problem from another angle

(b) Shows the vast knowledge of the researcher

(c) Makes the report authentic

(d) None of the above

243. The quartile deviation in a frequency distribution is

(a) The distance between the 70th and the 30th percentage

(b)Half of the distance between the 75th and 25th percentiles

(c) Half of the distance between the 70th and 30th percentiles

(d)The distance between the 75th and 25th percentiles

245. Index number is always a

(a) Relative number

(b)Absolute number

(c) Primary number

(d)None of the above

247. Calculus was developed by

(a) Francis Bacon

(b) Spinoza

(c) Leibnitz

(d) Descartes

248. Free hand method is used in

(a) Time services

(b) Histogram

(c) Pie diagram

(d) None of the above

249. A test of “Shift ability of Base” is called

(a) Factor reversal test

(b) Time reversal test

(c) Circular test

(d) None of the above

Answers:

201.	(c)	202.	(d)
					(a)	209.	(b)	210. (d)
211.	(d)			213.	(c)	214.	(d)
216.	(a)	217.	(d)	218.	(b)	219.	(a)	220. (d)
		222.	(d)	223.	(d)	224.	(c)	225. (b)
226.	(a)	227.	(a)	228.	(a)	229.	(d)	230. (b)
231.	(b)	232.	(a)	233.	(c)	234.	(a)	235. (b)
236.	(d)	237.	(b)	238.	(d)	239.	(b)	240. (b)
241.	(d)	242.	(a)	243.	(b)			245. (a)
		247.	(c)	248.	(a)	249.	(c)