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Business statistics practice test MCQ: mistakes or biases which are considered as causes of non-sampling errors must includes with options incorrect enumeration of population, non random sample selection, incomplete questionnaire and all of above for business management courses with online competitive exams questions and answers. Free study guide is for online learning sampling distributions quiz with MCQs to practice test questions with answers for colleges and universities' entrance exam preparation.

MCQ: Mistakes or biases which are considered as causes of non-sampling errors must includes

1. incorrect enumeration of population
2. non random sample selection
3. incomplete questionnaire
4. all of above

D

MCQ: If mean of population is 25 then mean of sampling distribution is

1. 25
2. 5
3. 30
4. 35

A

MCQ: If value of x-bar is 70 and μ of sampling distribution is 15 with standard deviation is 20 then standard normal variable is

1. 2.75
2. 3.75
3. 4.75
4. 5.75

A

MCQ: Uncertainty of elements can be reduced with estimation of

1. under coverage error
2. coverage error
3. sampling error
4. random sample error

C

MCQ: Procedure of selecting desired portion from population which describes characteristics of whole population is

1. sampling
2. extracting
3. deviation of sample
4. variability of sample

A