statistics MCQs – Page 7

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 Review each marked answer and report any item that may be outdated or unclear.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

121. The variance of a constant is_______________?
0

A. a

B. None

C. Zero

D. Constant

122. Quartile Coefficient of skewness lies between______________?
0

A. None of these

B. 0 and 1

C. -1 and 0

D. -1 and +1

123. A random variable may be _____________?
0

A. continuous

B. discrete or continuous

C. fixed

D. discrete

124. if you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7 ?
0

A. 15/36

B. Apr-36

C. 21/36

D. 13/36

125. In the sampling without replacement a sampling unit can be selected_______________?
0

A. More than once

B. None of these

C. Only Once

D. Less than once

126. Probability distribution of a random variable is also know as Probability_________________?
0

A. Distribution Function

B. Probability Function

C. Probability Distribution

D. Probability Density Function

127. __________ are said to be exhaustive if they constitute the entire sample space?
0

A. Events

B. Outcomes

C. Objects

D. Equally

128. A list of sample _________ is called sample space?
0

A. Distinct

B. Piont

C. Events

D. Subset

129. Which of the following is not based on all the observations ?
0

A. Geometric Mean

B. Weighted Mean

C. Arithmetic Mean

D. Harmonic Mean

E. Mode

130. Which of the following can never be taken as coefficient of correlation is _____________?
0

A. -99

B. ?3

C. 0.99

D. 0

131. The first hand and unorganized form of data is called_______________?
0

A. Organized data

B. Primary data

C. Secondary data

D. None of these

132. A random variable is ____________ ?
0

A. Not a function

B. A continuous variable

C. A function

D. None of these

133. Richness is not a ________________?
0

A. Variable

B. Continuous

C. Constant

D. Discreade

134. The sum of squared deviations of a set of n values from their mean is__________________?
0

A. Maximum

B. Zero

C. Least

D. None

135. The degree of peakedness is called__________________?
0

A. Skewness

B. Dispersion

C. Kurtosis

D. Symmetry

136. _____________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?
0

A. Coefficient of Variation

B. Range

C. Standard Deviation

D. Mean Deviation

137. The word statistics is at present used in _______________?
0

A. Six ways

B. Four ways

C. Two ways

D. Three way

138. A sample of 24 observations is taken from a population that has 150 elements. The sampling distribution of is___________?
0

A. Approximately normal because of the central limit theorem

B. Approximately normal because the sample size is large in comparsion to the population size

C. Normal if the population is normally distributed

D. Approximately normal because is always approximately normally distributed

139. If P(A/B)=1/4 and P(A?B) =1/5 then P(B) is ________________?
0

A. 20-Jan

B. 0

C. 4/5

D. 9-Jan

140. The first moment about means is always_________________?
0

A. None of these

B. 1

C. Zero

D. Negative

Previous Next

Showing 121 to 140 of 1376 mcqs