Statistics - 1

Statistics - 1

1. Averages

   • MEAN
     • TOTAL (DATA) / No. Values
   • MEDIAN
     • (n+1)/2
   • MODE
     • MOST FREQUENT VAL
   • RANGE
     • HIGHEST - LOWEST

2. EXPECTED OUTCOMES

   • No. Trials X Probability

3. COMPOSITE BAR CHARTS

4. DATA TYPES

   • QUANTATIVE
     • - MEASURABLE WITH A NUMBER
       • - EG - Height, Time Taken and Mass
         • EASY TO ANALYSE
   • QUALITATIVE
     • DISCRETE
       • - CAN BE MEASURED EXACTLY
         • CAN ONLY TAKE CERTAIN VALUES
     • CONTINUOUS
       • TAKES ANY VALUE IN AN INTERVAL
         • CAN ALWAYS BE MEASURED MORE ACCURATELY

5. FREQUENCY CHARTS