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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 |