Statistics_1

Statistics_1

1. Centre of data

   • Mean
     • sum of numbers/number of numbers
   • Mode
     • Most common
   • Median
     • Ordered numbers. middle number

2. Range

   • Highest value - Lowest value
   • Interquartile range
     • Spread of middle 50% of data values

3. Standard deviation

   • Average of how far data is from mean

4. Visually repersent data

   • Bar chart
   • Pie chart
   • Line plot
   • Histrogram
   • Scattergram
   • Stem+leaf

5. Distrubution of data

   • Symmetric
     • Skeward to right or left