Mind Map

Mind Map

1. Definitions

   • Descriptive statistics
     • Methods of organizing, summarizing, and presenting data in an informative way.
   • Inferential statistic
     • The methods used to determine something about a population on the basis of a sample.
   • Estimation
     • A calculation of the value, number, quantity, or extent of something.
   • Hypothesis testing
     • The theory, methods, and practice of testing a hypothesis by comparing it with the null hypothesis.

2. Sampling

   • With replacement
     • A member of a population that can choose something just one time.
   • Without replacement
     • A memeber of a population that can choose something more than one time.

3. Data Variables

   • Qualitative
     • Measuring things with words, and with sizes, forms, etc.
   • Quantitative
     • Measuring things by nubers, students, books, etc.
   • Dichotomic
     • A word that took a form with 2 options.
   • Polynomic
     • A word that took form with more than 2 options.

4. Population

   • The entire set of individuals or things that will be on the experiment.

5. Quantitative

   • Continuous
     • Continious data
       • It have infinite data, that form a continious data.
   • Discrete
     • Discrete Data
       • It values have limited data.

6. Sample

   • A small part or quantity intended to show what the whole is like.

7. Collect data

   • It is when you collect data for an experiment.