Handling Data -Tuesday pm

Handling Data -Tuesday pm

1. Averages

   • Mode
     • Most common 1, 1, 2, 3 Mode = 1
     • IS NOT IMPACTED BY EXTREME VALUES
   • Mean
     • Add and divide 1,2,3,4 = 10  10/4 = 2.5
     • USES ALL OF THE DATA
   • Median
     • Middle number Put them in order first

2. Range

   • Highest - Lowest
   • Variation - Not always the higher the better!

3. Probability

   • Measured
     • Fraction
     • Decimal
     • Percentage
   • Probability Scale
     • 0% - 100%
   • Language
     • 0% = Impossible
     • 100% = Certain
     • 50% = Even
     • Likely 51%-99%
     • Unlikely = 1%-49%

4. Charts and Graphs

   • Bar Graph
     • Axis  Labels Scale Always start at 0 Gaps
   • Scatter Graphs
     • Line of best fit
       • Fits the best LOBF = Average line
     • Trends
       • Pattern of all of the data Detailed in your answer.
   • Line Graphs
     • Axis  Labels Scale Always start at 0 Join up with a ruler
   • Pie Charts
     • 360 degrees Find total of data Divide 360 by the total  Multiply by the number...