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ACMMG220.c using the enlargement transformation to establish similarity, understanding that similarity and congruence help describe relationships between geometrical shapes and are important elements of reasoning and proof
ACMSP225.c comparing experiments which differ only by being undertaken with replacement or without replacement
ACMSP226 Calculate relative frequencies from given or collected data to estimate probabilities of events involving 'and' or 'or'
ACMSP226.a using Venn diagrams or two-way tables to calculate relative frequencies of events involving 'and', 'or' questions
ACMSP226.b using relative frequencies to find an estimate of probabilities of 'and', 'or' events
ACMSP227 Investigate reports of surveys in digital media and elsewhere for information on how data were obtained to estimate population means and medians
ACMSP227.a investigating a range of data and its sources, for example the age of residents in Australia, Cambodia and Tonga; the number of subjects studied at school in a year by 14-year-old students in Australia, Japan and Timor-Leste
Data representation and interpretation
ACMSP228 Identify everyday questions and issues involving at least one numerical and at least one categorical variable, and collect data directly and from secondary sources
ACMSP228.a comparing the annual rainfall in various parts of Australia, Pakistan, New Guinea and Malaysia
ACMSP282 Construct back-to-back stem-and-leaf plots and histograms and describe data, using terms including 'skewed', 'symmetric' and 'bi modal'