E-PolyLearning

1. If the standard deviation of the population is 35 and the sample size is 9 then the standard deviation of sampling distribution is
a. 12.67
b. 11.67
c. 13.67
d. 14.67
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Answer: (b).11.67

2. In the systematic sampling, the value of k is classified as
a. sampling interval
b. sub stage interval
c. secondary stage interval
d. multistage interval
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Answer: (a).sampling interval

3. The type of stratified proportion sampling in which the information is gathered on convenience basis from different groups of population is classified as
a. purposive sampling
b. judgment sampling
c. quota sampling
d. convenience sampling
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Answer: (c).quota sampling

4. The parameters of population are denoted by the
a. roman letters
b. lower case Greek letter
c. upper case Greek letter
d. associated roman alphabets
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Answer: (b).lower case Greek letter

5. The mistakes or biases which are considered as causes of non-sampling errors must includes
a. incorrect enumeration of population
b. non random sample selection
c. incomplete questionnaire
d. all of above
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Answer: (d).all of above

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