Sampling Techniques
To compare ratio, regression and simple random sampling, the sample size should be:
small
large
two
8
large
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In regression method of estimation sample total is an unbiased estimate of the population:A. total
B. mean
C. ratio
D. variance
In regression method of estimation sample ratio is an unbiased estimate of the population:
A. total
B. mean
C. ratio
D. variance
A questionnaire consists of set of queries about a:
A. specific issue
B. sample
C. population
D. sample design
Systematic sample is as precise as stratified random sample when one unit is drawn from:
A. population
B. each unit
C. each group
D. each stratum
If sample size is large sample mean to approaches to population mean:
A. True
B. False
C.
D.
Systematic sampling demands the selection of single complex:
A. sampling frame
B. frame
C. sampling design
D. sampling unit
Regression model with stochastic term is called random model:
A. True
B. False
C.
D.
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