SP7.1
Demonstrate an understanding of the measures of central tendency and range for sets of data.

[C, CN, PS, R, T]

Indicators for this outcome
(a)

Concretely represent mean, median, and mode and explain the similarities and differences among them.

(b)

Determine mean, median, and mode for a set of data, and explain why these values may be the same or different.

(c)

Determine the range of a set of data.

(d)

Provide a context in which the mean, median, or mode is the most appropriate measure of central tendency to use when reporting findings and explain the choice.

(e)

Solve a problem involving the measures of central tendency.

(f)

Analyze a set of data to identify any outliers.

(g)

Explain the effect of outliers on the measures of central tendency for a data set.

(h)

Identify outliers in a set of data and justify whether or not they should be included in the reporting of the measures of central tendency.

(i)

Provide examples of situations in which outliers would and would not be used in reporting the measures of central tendency.

(j)

Explain why qualitative data, such as colour or favourite activity, cannot be analyzed for all three measures of central tendency.

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