Combining two or metrics into a single indicator is a(n) ______. A(n) ______ involves a calculation, while a(n) ______ requires no calculations and has simple dimensions.

Question

Combining two or metrics into a single indicator is a(n) ______.  A(n) ______ involves a calculation, while a(n) ______ requires no calculations and has simple dimensions.

BlackTom AI · Accepted Answer

The question asks us to fill in three blanks about how different data constructs relate to calculating indicators.
Option 1: 'Index, metric, measure' — This matches the standard terminology: combining two or more metrics into a single indicator is called an index; a metric involves a calculation or aggregation; a measure is a simple, directly observed quantity with no inherent calculation. This alignment is consistent with the distinctions among index, metric, and measure.
Option 2: 'Metric, measure, index' — Here the order assigns 'metric' to the act of combining things into a single indicator, which is incorrect because an index is the construct that aggregates multiple metrics into one indicator, not a metric itself. The second blank would then imply calculation, which is a characteristic of a metric or index, but the mismatch at the first blank already makes this option flawed.
Option 3: 'Index, measure, metric' — If we say an index is the combined indicator (correct for the first blank), the second blank would be 'measure,' but a measure is typically a single data point or quantity that does not involve a calculation; this would incorrectly describe a calculated quantity as a measure. The third blank would then be 'metric,' which would imply a calculated thing as a metric, creating inconsistency since metrics typically involve calculations, but the phrasing here mislabels the roles.
Option 4: 'Measure, index, measure' — This option reverses the expected roles completely: a measure is not the act of combining things into a single indicator, and having both the first and third blanks as 'measure' ignores the standard terms for the calculated versus non-calculated concepts. Overall, this option misfits the definitions.
In summary, option 1 correctly assigns: an index as the aggregated indicator, a metric as the quantity that requires calculation, and a measure as a simple, non-calculated dimension. The other options scramble these roles or misuse the terminology, leading to conceptual inconsistencies.

Combining two or metrics into a single indicator is a(n) . A(n) involves a calculation, while a(n) __ requires no calculations and has simple dimensions.单项选择题

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Combining two or metrics into a single indicator is a(n) ______. A(n) ______ involves a calculation, while a(n) ______ requires no calculations and has simple dimensions.单项选择题