This unit is expiring
The expiry date of this unit is 31/07/2026.


Access to HE
Level 3
Unit No:
Guided learning hours:
Not available

Qualification Grading Type


Grade Descriptors

  • GD3-Application of skills
  • GD4-Use of information
  • GD5-Communication and presentation
  • GD7-Quality

Unit Learning Outcomes


Be able to organise and present data.

Assessment Criteria

  • 1.1
    Identify data as qualitative, quantitative, discrete or continuous.
  • 1.2
    Select the dominant features of data and suggest plausible interpretations.
  • 1.3
    Construct suitable charts and diagrams including histograms and line graphs with suitable scales, state the advantages and disadvantages of a wide range of diagrams.


Know how to calculate and use averages.

Assessment Criteria

  • 2.1
    Calculate the mean, median and mode of grouped data.
  • 2.2
    Choose an appropriate average and justify the choice (e.g. Exam marks

    - mean; Exam grades - median; qualitative data - mode.


Know how to calculate and use measures of spread.

Assessment Criteria

  • 3.1
    Calculate standard deviation of raw data and grouped data.
  • 3.2
    Use mean and standard deviation to compare different data sets.


Be able to use bivariate data.

Assessment Criteria

  • 4.1
    Calculate a coefficient of correlation (e.g. Spearman or Product moment).
  • 4.2
    Make statements about the possible causal relationship between variables with strong correlation.


Be able to calculate probability.

Assessment Criteria

  • 5.1
    Calculate the probability of combined events.
  • 5.2
    Construct tree diagrams and use them to solve problems involving combined events.
  • 5.3
    Identify events which are independent or mutually exclusive.