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6 Statistics and probability

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3 topics · 17 learning objectives

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  1. 6.1 Graphical representation of data

    1. 6.1.ADifferent methods of presenting data Pictograms, bar

      use different methods of presenting data Pictograms, bar charts and pie charts, and only two-way tables

    2. 6.1.BTabulating data for statistical diagrams

      use appropriate methods of tabulation to enable the construction of statistical diagrams

    3. 6.1.CStatistical diagrams

      interpret statistical diagrams

  2. 6.2 Statistical measures

    1. 6.2.AThe concept of average

      Understand averages for data presented in lists or tables.

    2. 6.2.BThe mean, median, mode and range for a discrete data

      calculate the mean, median, mode and range for a discrete data set Includes simple problems using these measures

    3. 6.2.CEstimating the mean from grouped data

      Calculate an estimate of the mean from grouped data.

    4. 6.2.DThe modal class for grouped data

      identify the modal class for grouped data

  3. 6.3 Probability

    1. 6.3.AProbability terminology

      Use probability language including outcomes, equal likelihood, events and randomness.

    2. 6.3.BThe probability scale

      understand and use the probability scale P(certainty) = 1 P(impossibility) = 0

    3. 6.3.CTheoretical probability

      understand and use estimates or measures of probability from theoretical models

    4. 6.3.DProbabilities from a Venn diagram

      find probabilities from a Venn diagram

    5. 6.3.ESample spaces and events

      Understand sample spaces and events, and determine event probabilities from a sample space.

    6. 6.3.FSystematic outcome lists for successive events

      List outcomes systematically for single events and for two successive events.

    7. 6.3.GProbabilities from previously collected data

      estimate probabilities from previously collected data

    8. 6.3.HComplementary events

      calculate the probability of the complement of an event using P(A′) = 1 − P(A)

    9. 6.3.IThe addition rule of probability for mutually exclusive

      use the addition rule of probability for mutually exclusive events P(Either A or B occurring) = P(A) + P(B) when A and B are mutually exclusive

    10. 6.3.JExpected frequency

      understand and use the term ‘expected frequency’ Determine an estimate of the number of times an event with a probability of 0.4 will happen over 300 tries