After entering data, basic data statistics-descriptive statistics can be performed first. Then, according to the data results, see if it is necessary to carry out correlation regression or other analysis. Descriptive statistics in spss are mainly analytical-descriptive, including descriptive statistics, frequency statistics and cross analysis.
Descriptive statistical analysis is the first step of statistical analysis. First, select Analyze to view the descriptive menu, and then use the mouse to select the descriptive menu.
The four most commonly used processes are listed above: the frequency process is characterized by generating frequency tables; Descriptive process for general statistical description; When the data profile is unclear, the exploration process is used for exploratory analysis; The crosstab process completes the statistical description and general statistical test of count data and grade data.
Select analysis first, then descriptive.
After opening any analysis window, select the data to analyze. You can select with the left mouse button and press the middle button to join, and then click to pop up the statistics dialog box, which is used to define other descriptive statistics to be calculated.
Mean, median, mode, sum and so on can be analyzed. Then you can click on the chart dialog box and select histogram, pie chart, etc. Painting. When you are sure, click the Continue button and select OK. Do it. There will be output results directly.
You can look at the results of descriptive statistics first to see if there are any missing values or data that are not in line with the actual situation. If so, the data needs to be revised and then descriptive statistical analysis is carried out.