Stadistics

Stadistics

1. Measurements Scales

   • Quantitative
     • Discrete
     • Continuos
   • Qualitative
     • Nominal
     • Ordinal
     • Interval
     • Ratio

2. Visual Display Of Data

   • Displays
     • Line graph
     • Circle graph
     • Bar graph
     • Stem and leaf
     • Histogram
   • Frequency Distribution
     • Relative

3. Measures of Central Tendency

   • Mean
   • Median
   • Mode

4. Measures of Dispersion

   • Range
   • Standard Deviation
   • Chevychev´s Theorem

5. Sampling Methods

   • Non-probability Sample
     • Voluntary sample
     • Convinience sample
   • Probability Sample
     • Simple random sampling
     • Stratified sampling
     • Cluster sampling
     • Multistage sampling
     • Systematic sampling

6. Measures of Position

   • Q1, Q2,Q3
   • Percentiles
   • Box Plot