alleryStart learning →Looking at house prices, a better summary than the mean alone is the median together with:
AThe count of the houses
BThe age of the buyers
CThe variation of prices
DThe colour of the houses
Answer & Solution
Correct answer: C. The variation of prices
1. A single centre never describes a data set on its own.
2. House prices are strongly skewed by a few very expensive properties.
3. A better way might be to look at the median price and the variation of prices.
4. Centre and spread together give a usable picture.
5. Counts and unrelated attributes do not describe the price distribution.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 2 'Descriptive Statistics', sections 2.1-2.7_
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