statistics MCQs – Page 15

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 Review each marked answer and report any item that may be outdated or unclear.

282. The difference between statistics and parameter is called:______________?
comments icon0

A. Bias

B. Standard

C. Sampling error

D. both (a) and (b)

284. Random numbers are used for selection of ____________?
comments icon0
A. Random space

B. Space

C. Non of these

D. Random sample

285. A characteristics that does not change is called______________?
comments icon0
A. Constant

B. Attribute

C. variable

D. None of these

288. Results obtained by counting are_____________?
comments icon0

A. Continuous

B. Discrete

C. Both (a) and (b)

D. None of these

289. The average of first n natural numbers is_______________?
comments icon0

A. n2

B. None of these

C. n+12

D. All of the above

290. What is the probability that a ball drawn at random from a jar ?
comments icon0
A. Cannot be determined from given information

B. 0.1

C. 1

D. 0

E. 0.5

293. If a distribution has two modes then this distribution is called______________?
comments icon0
A. Bi-Modal

B. None of these

C. Multi-Modal

D. Uni-Modal

E. Tri-Modal

294. Given the N values in a series, the geometric mean is______________?
comments icon0
A. The Nth root of the product of N values

B. The square root of the product of N values

C. The fourth root of the product of N values

D. The third root of the product of N values

297. The standard deviation of sampling distribution of a statistics is _________________?
comments icon0

A. Sampling distribution of statistics

B. None of these

C. Standard error of statistics

D. Sampling error of statistics

298. When X denotes the number of success in binomial experiment, it is called ________________?
comments icon0

A. Random variable

B. Binomial random variable

C. Continuous random variable

D. Both (b) and (c) but not (a)

299. Variance remains unchanged by change of_____________?
comments icon0

A. None of these

B. Scale

C. Both

D. Origin
300. The measure of relative dispersion is called __________________?
comments icon0

A. Mean dervation

B. Coefficient of quartile Deviation

C. Quartile deviation

D. Mean coefficient