Common methods of sorting out data

1, common methods for sorting data are:

⑴ Induction: Histogram, grouping, stratification and statistical analysis can be applied.

⑵ Deduction method: Factor analysis chart, scatter chart and correlation regression analysis can be applied.

⑶ Prevention method: commonly known as control chart method, including Pn control chart, P control chart, C control chart, U control chart and X-Rs control chart.

2. Data collation is the process of checking, classifying and coding the data collected in research activities such as investigation, observation and experiment. It is the basis of statistical analysis of data.

3, the steps of sorting data:

(1) Review of original data.

(2) Determination of classified items.

(3) Implement sorting.

(4) list.

5] Drawing.