statistics MCQs – Page 13

Practise multiple-choice questions from statistics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

statistics Mcqs

1. sample linear regression 2. normal distribution 3. presentation of data 4. statistical inference 5. measures of location 6. basic statistics 7. correlation and regression 8. sampling 9. binomial and hyper geometric probability 10. index number 11. hypothesis testing 12. measures of dispersion

241. If right tail is longer than left tail then distribution is called _________________?
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A. None of these

B. All of above

C. Positively Skewed

D. Negatively Skewed

242. Attributes are _______ if they have some relation?
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A. None of these

B. In consistent

C. Associated

D. Disassociation

243. ____________ is used to criterion of consistency i.e for consistence performance?
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A. Range

B. Standard Deviation

C. Mean Deviation

D. Coefficient of Variation

244. You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of ?
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A. Parameter

B. Inferential Statistics

C. Population

D. Descriptive statistics

245. If 10% is added to each value of variable, the geometric mean of new variable is added by_______________?
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A. 110%

B. 90%

C. 5%

D. No Change

E. 10%

246. A experiment repeated number of time one by one is called _________________?
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A. Random

B. Introduce

C. Raw data

D. Specified

247. The product of first n natural numbers is _____________?
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A. None of these

B. n. (n-1) (n-2)..3.2.1.0

C. 1.2.3(n-2) (n-1) (n)

D. 1.2.3.4,

248. In perfect association the value of coefficient of association is ______________?
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A. 0

B. non of these

C. -1

D. +1

249. Probability of occurrence of an event lies between______________?
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A. exactly 1

B. -1 and 1

C. -1 and 0

D. 0 and 1

250. The measure of dispersion is changed by a change of_____________?
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A. Algebraic Signs

B. None

C. Origin

D. Scale

251. Which of the following describe the middle part of a group of numbers ?
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A. Measure of Variability

B. Measure of Central Tendency

C. Measure of Shape

D. Measure of Association

252. The basic random numbers are ________________?
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A. None of these

B. 0 and 1

C. 0,1,2,9

D. 1,2,3.10

253. ?xy is always equal to_____________?
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A. ?o2

B. ?x

C. ?yx

D. #NAME?

254. Var (kY)= ____________?
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A. k2 Var(Y)

B. k Var (Y)

C. k2

D. Var(Y)

255. To cut a population into three classes is called_______________?
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A. Capital

B. Tracheotomy

C. Attribute

D. Dichotomy

256. The measure of Dispersion can never be________________?
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A. 1

B. 0

C. Negative

D. Positive

257. If the third moment about mean is zero then distribution is_______________?
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A. Mesokurtic

B. Negatively Skewed

C. Symmetrical

D. Positively Skewed

258. Which of the following cannot be less than zero (negative)?
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A. Median

B. Mode

C. Harmonic Mean

D. Geometric Mean

E. Arithmetic Mean

259. Standard deviation of the sampling distribution of a statistics is called_____________?
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A. Dispersion

B. Difference

C. Serious error

D. Standard error

260. If bxy = byx = r then ________________?
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A. 6y < 6x

B. 6x = 6y

C. 6x < 6y

D. Non of These

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