For making voters lists in Pakistan we need ______?
A. Simple random sampling
B. Systematic sampling
C. Quota sampling
D. Census
If in a sampling distribution of X the sample size is 25, what assumption must hold for the sampling distribution of X to be normal ?
A. Population distribution is normal
B. μ1 = μx
C. Population distribution is uniform
D. σx = σx /√n
Non-sample errors are reduced by ______?
A. Increasing the sample size
B. Reduced the amount of data
C. Decreasing the sample standard deviation
D. None of these
Sampling error can reduced by _____?
A. Non-random sampling
B. Increasing the population
C. Decreasing the sample size
D. Increasing the sample size
The process of selecting sample from the population is called ______?
A. Sampling process
B. Sampling unit
C. Sampling
D. Size
N – n/N -1 is called ______ population?
A. Group
B. Finite
C. Un-finite
D. Correction
Probability distribution of a statistics is called _________?
A. Sampling
B. Parameter
C. Data
D. Sampling distribution
Selection of s by the students to solve a paper is ______?
A. Random sampling
B. Non-random sampling
C. Prob.Sampling
D. Sampling with replacement
A sampling distribution is the probability distribution for which one of the following _____?
A. A sample
B. A sample statistic
C. A population
D. A population parameter
Non-random sampling is also called ______?
A. Biased sampling
B. Non-prob.sampling
C. Less than sampling
D. Representative sampling
