A. A sample
B. A sample statistic
C. A population
D. A population parameter
Related Mcqs:
- 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 - In probability sampling each sampling unit has some____________________?
A. Unknown
B. Large
C. Small
D. Know - If the sampled population has a normal distribution, when is the sampling distribution of the sample mean X also a normal distribution ?
A. Only when the sample size is at least 100.
B. Only when the sample size is smaller than 30
C. Always
D. Only when the sample size is at least 30. - The hypergeometric probability distribution is used rather than the binomial or Poisson when the sampling is performed ?
A. With replacement
B. With out replacement from an infinite population
C. With out replacement from a finite population
D. With replacement from a finite population - For a population with any distribution, the form of the sampling distribution of the sample mean is_____________?
A. Sometimes normal for all sample sizes
B. Sometimes normal for large sample sizes
C. Always normal for all sample sizes
D. Always normal for large sample sizes - condition for applying Central Limit Theorem (CLT) which approximate the sampling distribution of the mean with a normal distribution is ?
A. n > 30
B. N(1 – p) > 5
C. 2 n 5
E. N < 30 - In the sampling without replacement a sampling unit can be selected_______________?
A. Only Once
B. More than once
C. Less than once
D. None of these - A list of sampling _________ is called sampling frame?
A. Point
B. w.r.m
C. w.o.r
D. unit - In sampling with replacement be t a sampling unit can selected________________?
A. Only once
B. More than once
C. Less than once
D. None - Cluster sampling is useful when sampling units are__________?
A. Close another
B. Far a part
C. Mixed
D. None of theseSubmitted by: Nimra Shaheen
