(Direction 1 - 27) Answer the following questions. Each question carries one mark.
Q. Sampling can be described as a statistical procedure
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The population of roses in Salt Lake City is an example of
Statistical decision about an unknown universe is taken on the basis of
A measure of precision obtained by sampling is given by
If from a population with 25 members, a random sample without replacement of 2 members is taken, the number of all such samples is
A population comprises 5 members. The number of all possible samples of size 2 that can be drawn from it with replacement is
According to Neyman’s allocation, in stratified sampling
Which sampling provides separate estimates for population means for different segments and also an over all estimate?
Which sampling adds flexibility to the sampling process?
Which sampling is affected most if the sampling frame contains an undetected periodicity?
Which sampling is subjected to the discretion of the sampler?
For an unknown parameter, how many interval estimates exist?
(Direction 28- 40) Answer the following question. Each question carries 2 marks.
Q. If a random sample of size 2 with replacement is taken from the population containing the units 3,6 and 1, then the samples would be
If a random sample of size two is taken without replacement from a population containing the units a,b,c and d then the possible samples are
If a random sample of 500 oranges produces 25 rotten arranges, then the estimate of SE of the proportion of rotten arranges in the sample is