Sampling survey method
A sampling detection and stratified sampling technology, applied in the field of sampling investigation, can solve problems such as disadvantage, waste of time, low efficiency, etc., and achieve the effect of simple operation, simple method and convenience
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[0012] This specific embodiment adopts the following technical solutions: its investigation method is:
[0013] (1) Select the required sampling sample range to obtain the multiple business types of the sampling sample and the number of samples corresponding to each business type;
[0014] (2) Classify the multiple businesses of the sampling sample, and write the labels on the classified business types;
[0015] (3) Selection of sampling methods: (1) stratified sampling; (2) random sampling; (3) proportional sampling;
[0016] (4) Sampling and testing according to the selected sampling method;
[0017] (5) Summarize the sampling test data, and calculate the pass rate according to the overall quantity; and make the data into a report.
[0018] The specific embodiment has the following beneficial effects: the method of sampling investigation is simple and convenient, which is beneficial to the work and easy to operate.
[0019] The above descriptions are only preferred embodi...
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