Читать книгу Understanding Statistics As A Language - Robert Andrews - Страница 15
Using This Book
ОглавлениеIf the following information is committed to memory at the mastery-level of learning (instant, total recall), a student using this book will be able to conduct statistical research using the Decision Model to determine which statistic to use. Each chapter then can be used to produce a p-value for any hypothesis.
The Four Questions
1. Type of data?
2. Related or Independent data?
3. How many measures?
4. How many groups?
The Four Kinds of Data (NOIR)
| Kind | Definition | Examples | 
| Nominal | Naming or Categories | Gender or Political Party | 
| Ordinal | Order or Rank | Horse Race or Likert type scape | 
| Interval | The Intervals are equal | Height, Weight, Distance, Time | 
| Ratio | Interval data with a zero | 
