Sampling Distributions(Business Statistics ) Questions and Answers
Question 1. If the standard deviation of the population is 35 and the sample size is 9 then the standard deviation of sampling distribution is
12.67
11.67
13.67
14.67
Explanation:-
Answer: Option B. -> 11.67 Answer: (b).11.67
Question 2. The mistakes or biases which are considered as causes of non-sampling errors must includes
incorrect enumeration of population
non random sample selection
incomplete questionnaire
all of above
Explanation:-
Answer: Option D. -> all of above Answer: (d).all of above
Question 3. The type of stratified proportion sampling in which the information is gathered on convenience basis from different groups of population is classified as
purposive sampling
judgment sampling
quota sampling
convenience sampling
Explanation:-
Answer: Option C. -> quota sampling Answer: (c).quota sampling
Question 4. The parameters of population are denoted by the
roman letters
lower case Greek letter
upper case Greek letter
associated roman alphabets
Explanation:-
Answer: Option B. -> lower case Greek letter Answer: (b).lower case Greek letter
Question 5. In the systematic sampling, the value of k is classified as
sampling interval
sub stage interval
secondary stage interval
multistage interval
Explanation:-
Answer: Option A. -> sampling interval Answer: (a).sampling interval
Question 6. The procedure in which the number of elements in stratum are not in proportional to the number of elements in population is classified as
indirect strata procedure
direct strata procedure
non proportional procedure
proportional procedure
Explanation:-
Answer: Option C. -> non proportional procedure Answer: (c).non proportional procedure
Question 7. The method of random sampling which is also called area sampling method is classified as
statistical sub cluster sampling
sub cluster sampling
proportional inertia sampling
cluster sampling
Explanation:-
Answer: Option D. -> cluster sampling Answer: (d).cluster sampling
Question 8. In sampling distribution, the standard deviation must be equal to
σ + square root of sample size
σ * square root of sample size
σ - square root of sample size
σ ⁄ square root of sample size
Explanation:-
Answer: Option D. -> σ ⁄ square root of sample size Answer: (d).σ ⁄ square root of sample size
Question 9. The elements in sample with specific characteristics is divided to sample size to calculate
expected deviated proportion
expected mean proportion
population proportion
sample proportion
Explanation:-
Answer: Option D. -> sample proportion Answer: (d).sample proportion
Question 10. The method of sampling in which the random sampling will not be possible because the population is widely spread is classified as
secondary stage sampling
multistage sampling
primary stage sampling
sub stage sampling
Explanation:-
Answer: Option B. -> multistage sampling Answer: (b).multistage sampling