basic-stats.pptx

Elementary Statistics and Probability

1. ELEMENTARY STATISTICS AND PROBABILITY (MJM 304) BSED 3 MARIFLOR. MERLE, MAED.

2. Let us learn the Basics of Statistics Learning the vocabularies in Statistics and understanding their meaning help us better use and appreciate the beauty of statistics in real life situations. In fact one of the highest paying jobs in the world is being an Statistician and Data analyst jobs in the world.

3. LEVEL OF MEASUREMENT Assignment of symbols or numerical to objects or events according to some rules.

4. NOMINAL Characterized by data that consists of names, labels and categories only. Used for groupings or categorizing data Distinguish one object from another for identification purposes Can’t tell if one is better or worse than the other . EX. sex, nationality, civil status, zip code, name of school, gender

5. ORDINAL Data that can be arranged in some specified order or rank When object is measured, we can say that one is better than the other but can’t tell how much more or less of the characteristics one object has than the other. EX. position, grading system, ranking

6. INTERVAL s pecify the amount of differences of data. d ata in this level may lack an inherent zero starting point. EX. temperature, scores in exams

7. RATIO data in this level include the inherent zero starting point . h ighest level of measurement Ex. measures of height ,weight, area

8. Tell what scale of measurement will be used for the following data. 9. grades in ESAP 10. religion 11. race 12. air-conditioned room 13. LRN 14. ID number 15. CSTC 16. age of students 1. color 2. height 3.performance rating 4. scores in basketball 5. gender 6. family income 7. SSS number 8. IQ scores

9. SAMPLING & SAMPLING TECHNIQUES