Maths 0.0 / 5 ? MathematicsMathsGCSEAQA Created by: RosalindCreated on: 15-04-14 15:19 Quantative Data Data recorded in words 1 of 14 Qualitative Data Data recorded in numbers 2 of 14 Discrete data finite number e.g. number of cars 3 of 14 Continuous Data e.g. length 4 of 14 Methods of Data collection Observation, survey/questionnaire, experiment or data logging 5 of 14 Finding mean from frequency table frequency x midpoint divided by frequency 6 of 14 Range largest value - smallest value 7 of 14 Interquartile range upper quartile - lower quartile 8 of 14 Frequency polygon line graph always plotted from midpoint 9 of 14 Estimate frequency on a histogram area under the histogram bar 10 of 14 P(A or B) P(A) + P(B) 11 of 14 P(A and B) P(A) x P(B) 12 of 14 Estimating probability from frequency table frequency divided by total frequency 13 of 14 Cumulative frequency graphs plot from end of class 14 of 14
Comments
No comments have yet been made