Statistics
-
[Statistics Basic] 3. What is a frequency distribution table?Statistics/Basic 2020. 11. 17. 14:58
1. What is a frequency distribution table? - Class: Dividing the entire of data into several subgroups (category, section) - Frequency: Number of data beloging to each class - Relative frequency: The ratio of the frequency divided by the total number of data, that is, the total frequency (If all relative frequencies are summed, it becomes 1) - Frequency Distribution Table: Data organization meth..
-
[Statistics Basic] 2. Descriptive StatisticsStatistics/Basic 2020. 10. 19. 17:03
Descriptive Statistics Organizing and analyzing the data so that the characteristics of the collected data can be easily grasped, making it easy to interpret. - Plotting or charting given data - Various statistical methods to describe data characteristics such as sum, central tendency(mean), degree of spread(variance), median, and correlation coefficient Frequency distribution table - Frequency ..
-
[Statistics Basic] 1. What is Data?Statistics/Basic 2020. 10. 19. 16:44
What is data? All facts and values that can have meaning as data collected through observation and measurement. Data Processing Object -> Measurement -> Data -> Analysis or Processing -> Information -> Knowledge What is the standard scale when measuring data? - Categorical type: nominal scale, ranking scale - Numerical type: isometric scale, ratio scale 1. Categorical type (Qualitative Data) : c..