Univariate Data

NZ Level 5

Comparing Data

The median house price in Humbleton is $\$950000$$950000 with a mean price of $\$1000000$$1000000 and the median house price in Brockway is $\$950000$$950000 with a mean price of $\$880000$$880000.

a

Which town is most likely to have some very expensive houses?

Brockway

A

Humbleton

B

Brockway

A

Humbleton

B

b

Which of these statements supports your answer?

mean $>$> median

A

mean $<$< median

B

mean $>$> median

A

mean $<$< median

B

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Plan and conduct surveys and experiments using the statistical enquiry cycle:– determining appropriate variables and measures;– considering sources of variation;– gathering and cleaning data;– using multiple displays, and re-categorising data to find patterns, variations, relationships, and trends in multivariate data sets;– comparing sample distributions visually, using measures of centre, spread, and proportion;– presenting a report of findings