statistics MCQs – Page 9

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 Review each marked answer and report any item that may be outdated or unclear.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

161. If x is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the x will be______________?
0

A. 10

B. 12

C. 6

D. 8

162. Least square regression line always passes through ____________________?
0

A. (X,Y)

B. (x,y)

C. x/y

D. (X,Z)

163. If E (ax) = _______________?
0

A. x E(a)

B. a E(x)

C. Non of these

D. A

164. f1x12 + f2x22 + + fxx42=___________?
0

A. ?pi=1 ixi2

B. ?mi=1 ixi2

C. ?ni-1 ixi2

D. ?u1=1 ixi2

165. If an event consists of only one sample point is called _____________?
0

A. Exactly

B. Space

C. Appeared

D. Elementary event

166. Lowest value of variance can be________________?
0

A. 1

B. -3

C. 3

D. -1

E. 0

167. If a card is chosen from a standard deck of cards, what is the probability of getting a diamond (?) or a club (?)?
0

A. 13/52

B. 20/52

C. Dec-52

D. 26/52=1/2

168. Usually measurements give rise to ________ data?
0

A. Constant

B. Continuous

C. Specific

D. Discrete

169. A chance variation in an observational process is_____________?
0

A. Measurement error

B. Random error

C. Instrument error

D. Dispersion/ Variability

170. Two digit random numbers are ________________?
0

A. 2

B. 99

C. 100

D. 10

171. For a probability density function (pdf), the probability of a single point is_____________?
0

A. 1

B. 2

C. 0

D. Constant

172. _________ used the word statistics for the first time during one of his lectures at a German university?
0

A. unavoidable

B. Fisher

C. Achenwall

D. Feet

173. All experiments have _______ properties in common?
0

A. Three

B. One

C. Four

D. Two

174. 5C5 is equal to ________________?
0

A. 5

B. None of these

C. 1

D. 55

175. The Coefficient of Skewness is always zero for ____________ distribution?
0

A. All of above

B. Symmetrical

C. Skewed

D. None of these

176. Find the median of the following datA. 160, 180, 200, 280, 300, 320, 400?
0

A. 140

B. 300

C. 280

D. 180

177. For making voters lists in Pakistan we need _______________?
0

A. Systematic sampling

B. Quota sampling

C. Simple random sampling

D. Census

178. Variance remains unchanged by change of________________?
0

A. Origin

B. Scale

C. None of these

D. Both

179. A set of events is said to be independent if probability of head on tossing a coin is _______________?
0

A. 4-Mar

B. 1

C. 1/2

D. 3-Feb

180. If c is non-random variable, the E(C) is_______________?
0

A. C

B. 1

C. Zero

D. 2

Previous Next

Showing 161 to 180 of 1376 mcqs