MAPA DE ESTADISTICA

DESCRIPTIVE AND INFERENTIAL STATISTICS

STATISCTICS DESCRIPTIVE

TERM. GIVE TO THE ANALYSIS OF DATA THAT HELPS DESCRIBE.

INFERENTIAL STATISTICS

ARE TECHNIQUES THAT ALLOW US TO USE THESE SAMPLES TO MAKE GENERALIZATIONS ABOUT THE POPULATIONS FROM WHICH THE SAMPLES WERE DRAWN.

MEASURE OF CENTRAL TENDENCY

ARE AWAYS OF DESCRIBING THE CENTRAL POSITION OF A FRECUENCY DISTRIBUTION FOR A GROUP OF DATA.

MODE, MEDIAN AND MEAN.

MEASURE OF SPREAD

ARE WAYS OF SUMMARIZING A GROUP OF DATA BY DESCRIBING HOW SPREAD OUT THE SCORES ARE.

RANGE, QUARTILES, ABSOLUTE DEVIATION, VARIANCE, STANDARD DEVIATION

MUESTREO

SMALL GROUP OF THE TOTAL POPULATION

THE ESTIMATION OF PARAMETER

TESTING OF STATISTICAL HYPOTHESES

STRENGTHS

CLARITY IN THE DEVELOPMENT OF LARGE VOLUMES OF DATA.

LIMITATIONS

-ONLY ALLOWS YOU TO MAKE SUMMATIONS ABOUT OF WHAT HAS ACTUALLY BEEN MEASURED.

- YOU CANNOT USED THE DATA YOU HAVE COLLECTED TO GENERALIZE TO OTHER PEOPLE OR OBJECTS

LIMITATIONS

-PROVIDING DATA ABOUT A POPULATION , THAT YOU HAVE NOT FULLY MEASURED.

-THERE IS ALWAYS UNCERTAINTY IN THE PROCESS OF THE RESULT OF THE STATISTICS.

"BOTH DESCRIPTIVE AND INFERENTIAL STATISTICS RELY ON THE SAME SET OF DATA"