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This section includes 1405 Mcqs, each offering curated multiple-choice questions to sharpen your Logical and Verbal Reasoning knowledge and support exam preparation. Choose a topic below to get started.
201. |
Which of the following is the ‘t’ value for the following data (small independent samples)X1= 12, X2 =11, n1 =5, n2=7, s1 = 1.12, s2 = 2.31 |
A. | 8.9 |
B. | 0.35 |
C. | 0.89 |
D. | 0.79 |
Answer» D. 0.79 | |
202. |
If the samples are dependent, the difference between mean can be tested using theformula. |
A. | t = nsd |
B. | t = nsd |
C. | 2 nsd |
D. | nsd |
Answer» B. t = nsd | |
203. |
The degrees of freedom for which the tabled ‘t’ value is found for test of significanceof mean is given by |
A. | n |
B. | n – 2 |
C. | n – 1 |
D. | none of these |
Answer» D. none of these | |
204. |
The degrees of freedom for testing significance of difference between two means forsmall independent samples is |
A. | n1 + n2 |
B. | n1 + n2 -1 |
C. | n1 + n2 – 2 |
D. | none of these |
Answer» D. none of these | |
205. |
As sample size increases the ‘t’ distribution approaches a |
A. | binomial distribution |
B. | gamma distribution |
C. | poisson distribution |
D. | normal distribution |
Answer» E. | |
206. |
Which of the following are the properties of ‘t’ distribution? |
A. | ranges from minus infinity to plus infinity |
B. | ‘t’ distribution does not vary with ‘n’ |
C. | both (a) and (b) |
D. | none of these |
Answer» B. ‘t’ distribution does not vary with ‘n’ | |
207. |
Under which of the following circumstances ‘t’ distribution is used? |
A. | sample size less than or equal to 30 |
B. | population standard deviation is unknown |
C. | both (a) and (b) |
D. | none of these |
Answer» D. none of these | |
208. |
‘Student’ was the pen name of |
A. | ramanujan |
B. | gosset |
C. | garrette |
D. | none of these |
Answer» C. garrette | |
209. |
The critical region is the region of |
A. | rejection of h0 when h0 is false |
B. | acceptance of h0 when h0 is false |
C. | rejection of h0 when h0 is true |
D. | none of these |
Answer» D. none of these | |
210. |
While dealing with small samples, preference is given to |
A. | estimating the population value |
B. | testing a given hypothesis |
C. | both (a) and (b) |
D. | none of these |
Answer» C. both (a) and (b) | |
211. |
The critical ratio is found to be 2.63 while testing H0: 1=2 against H1: 1 2. Thenwhich of the following statements is true? |
A. | h0 is accepted at 0.05 level |
B. | h0 is rejected at 0.05 level |
C. | h0 is accepted at 0.01 level |
D. | h0 is rejected at 0.01 level |
Answer» E. | |
212. |
Critical ratio for large independent sample is given by the formula |
A. | z = standard deviation mean |
B. | z = standard error difference between means |
C. | z = se of the difference difference between means |
D. | none of these |
Answer» D. none of these | |
213. |
If we take level of significance as 0.01 then the confidence limit will be |
A. | 1% |
B. | 0% |
C. | 99% |
D. | 100% |
Answer» D. 100% | |
214. |
The term statistical significance refers to ________ |
A. | how important the data are for research on the topic |
B. | the conclusion that there are no reasonable alternative explanation |
C. | the representativeness of the sample |
D. | the inference that the observed effects are unlikely to be due to chance. |
Answer» E. | |
215. |
Which of the following is a statistically large sample? |
A. | 29 |
B. | 45 |
C. | 16 |
D. | none of these |
Answer» C. 16 | |
216. |
Sampling distribution of mean values is distribution formed by ______ |
A. | population mean values |
B. | sample correlation values |
C. | sample mean values |
D. | population correlation values |
Answer» D. population correlation values | |
217. |
Which of the following are true about standard error? |
A. | gives an idea about unreliability of the sample |
B. | gives an idea about confidence limits of parameter values |
C. | both (a) and (b) |
D. | none of these |
Answer» D. none of these | |
218. |
Which of the following is standard error? |
A. | mean of sampling distribution |
B. | standard deviation of population distribution |
C. | mean of population distribution |
D. | standard deviation of sample distribution. |
Answer» E. | |
219. |
Which of the following statements is true about sampling distributions? |
A. | distributions formed by sample values |
B. | formed from a population distribution known or assumed. |
C. | a number of sampling distributions is possible from a population |
D. | all of the above. |
Answer» E. | |
220. |
Sampling distributions are distributions formed by ________ |
A. | population values |
B. | sample values |
C. | parameters |
D. | none of these |
Answer» C. parameters | |
221. |
The probability of type I error is _____ |
A. | power of the test |
B. | statistical significance |
C. | level of significance |
D. | none of these |
Answer» D. none of these | |
222. |
Which of the following is type II errors? |
A. | the error of accepting h0 when h0 is true |
B. | the error of rejecting h0 when h0 is false |
C. | the error of accepting h0 when h0 is false |
D. | the errors of rejecting h0 when h0 is true |
Answer» D. the errors of rejecting h0 when h0 is true | |
223. |
Which of the following is type I error? |
A. | the error of accepting h0 when h0 is true. |
B. | the error of rejecting h0 when h0 is false |
C. | the error of rejecting h0 when h0 is true |
D. | the error of accepting h0 when h0 is false. |
Answer» D. the error of accepting h0 when h0 is false. | |
224. |
Hypothesis testing deals with ______ |
A. | prediction of population values based on sample values |
B. | prediction of sample values based on population values |
C. | both (a) and (b) |
D. | none of these |
Answer» B. prediction of sample values based on population values | |
225. |
Which of the following hypothesis are accepted or rejected? |
A. | alternate hypothesis |
B. | statistical hypothesis |
C. | composite hypothesis |
D. | null hypothesis |
Answer» B. statistical hypothesis | |
226. |
Statistical tests are designed to test the ______ |
A. | alternate hypothesis |
B. | statistical hypothesis |
C. | composite hypothesis |
D. | null hypothesis |
Answer» E. | |
227. |
For testing which of the following hypothesis one tailed test is used? |
A. | non directional hypothesis |
B. | directional hypothesis |
C. | alternate hypothesis |
D. | composite hypothesis |
Answer» C. alternate hypothesis | |
228. |
The alternate hypothesis for the null hypothesis H0: 1 < 2 is______ |
A. | h1: 1>2 |
B. | h1: 1 = 2 |
C. | h1: 1<2 |
D. | h1: 1> 2 |
Answer» B. h1: 1 = 2 | |
229. |
For testing which of the following hypothesis two-tailed test is used? |
A. | h0 : 1< 2 against h1: 1> 2 |
B. | h0: 1> 2 against h1: 1< 2 |
C. | h0: 1= 2 against h1: 1 2 |
D. | none of these |
Answer» D. none of these | |
230. |
Tests used to test non directional hypothesis are |
A. | one tailed tests |
B. | two-tailed tests |
C. | three tailed tests |
D. | four tailed tests |
Answer» C. three tailed tests | |
231. |
For testing H0: 1=2 against H0:12 we have the ______ |
A. | one tailed test |
B. | two-tailed test |
C. | three tailed test |
D. | none of these |
Answer» C. three tailed test | |
232. |
A hypothesis in which there is no indication of direction of change or relation is calleda ________ |
A. | directional hypothesis |
B. | non directional hypothesis |
C. | alternate hypothesis |
D. | none of these |
Answer» C. alternate hypothesis | |
233. |
Which of the following is an alternate hypothesis? |
A. | there is significant gender difference in the mean scores of mechanical aptitude. |
B. | there is no significant relationship between achievement and previous knowledge. |
C. | there is no significant effect of intelligence on creativity. |
D. | none of these |
Answer» B. there is no significant relationship between achievement and previous knowledge. | |
234. |
Some statement or assertion above a population is known as _____ |
A. | unique statement |
B. | a standard statement |
C. | standard hypothesis |
D. | a statistical hypothesis |
Answer» E. | |
235. |
Which of the following is a null hypothesis? |
A. | there is significant relationship between the variable x and y. |
B. | there is no gender difference in the mean scores of mechanical aptitude. |
C. | there is significant effect of intelligence on achievement. |
D. | none of these |
Answer» C. there is significant effect of intelligence on achievement. | |
236. |
The opposite of null hypothesis is known as _______ |
A. | directional hypothesis |
B. | statistical hypothesis |
C. | alternate hypothesis |
D. | composite hypothesis |
Answer» D. composite hypothesis | |
237. |
Which one of the following statements is true about hypothesis? |
A. | it is an assumption about population value |
B. | there are different types of hypothesis |
C. | hypothesis testing is a function of inferential statistics |
D. | all of the above |
Answer» E. | |
238. |
Estimation is the process of ______ |
A. | formulating some hypothesis about the population |
B. | inferring statistic from parameter |
C. | testing some hypothesis about the population |
D. | inferring parameter from statistic |
Answer» E. | |
239. |
A statistic in inferential statistics is related to which of the following? |
A. | sample |
B. | population |
C. | both (a) and (b) |
D. | none of these |
Answer» B. population | |
240. |
Parameter in inferential statistics refers to _______ |
A. | sample value |
B. | data |
C. | population value |
D. | variable name |
Answer» D. variable name | |
241. |
Which of the following are function(s) of inferential statistics? |
A. | estimation |
B. | testing of hypothesis |
C. | both (a) and (b) |
D. | none of these |
Answer» D. none of these | |
242. |
Which of the following is true about inferential statistics? |
A. | help in getting an idea about sample value from population value. |
B. | help in getting an idea about population value from sample value. |
C. | help in getting data from sample. |
D. | none of these |
Answer» C. help in getting data from sample. | |
243. |
Which among the following are causes of forgetting? |
A. | Laps of time |
B. | Inadequate impression |
C. | Repression |
D. | All the above |
Answer» E. | |
244. |
An internal drive or urge that compels an individual to act in a particular way. |
A. | Maturation |
B. | Learning |
C. | Motivation |
D. | modelling |
Answer» D. modelling | |
245. |
Iconic and echoic memories are types of .............. |
A. | STM |
B. | LTM |
C. | Sensory memory |
D. | Semantic memory |
Answer» D. Semantic memory | |
246. |
The ability to respond discretely to specific auditory, visual or tactile stimuli. |
A. | Focused attention |
B. | Sustained attention |
C. | Selective attention |
D. | Alternating attention |
Answer» B. Sustained attention | |
247. |
The school of psychology that studies perceptions and experiences in wholeness. |
A. | Behaviourist |
B. | Gestalt |
C. | Cognitive |
D. | Psychoanalysis |
Answer» C. Cognitive | |
248. |
Discovery learning was propounded by.................. |
A. | Bruner |
B. | Dewey |
C. | Vygotsky |
D. | Kohler |
Answer» B. Dewey | |
249. |
The schedule of reinforcement that occurs after a definite number of correctresponses. |
A. | Fixed ratio |
B. | Continuous |
C. | Fixed interval |
D. | Partial |
Answer» B. Continuous | |
250. |
Which among the following is NOT a ‘grouping strategy’ used in organization ofvisual perception? |
A. | Similarity |
B. | Proximity |
C. | Constancy |
D. | Continuity |
Answer» D. Continuity | |