The Life Starter
Sign up
Grade 12 · unit review

Review: Build a Defensible Archive Interpretation

Evaluate missing denominators, archival selection, competing interpretations, and transparent conclusions.

Download reviews and answer keys

Bring the unit skills together

Use these 4 new cases to check your reasoning. Choices are temporary and are not saved to an account, sent to staff or recorded as school grades. Download your current review choices before leaving or reloading.

Unit review questions
1. Original manager report: daily units rise 150 to 180; worker letter says a longer shift; total hours absent. What directly tests units-per-labor-hour efficiency?
2. Original collection note says only council minutes were donated; resident letters were not offered. What does the missing-letter gap imply?
3. New fictional matched data: 90 units/30 labor-hours before; 120/40 after. What productivity change is measured?
4. A newsletter copies a table; a letter reports one individual’s fatigue; a later caption says everyone benefited. Which brief practice is strongest?

The download contains your current choices and any checked feedback. Keep the separate transfer-task work in your own document; downloading its instructions does not mark it complete.

Use the skills in a new task

All records are original fiction. A manager table reports 140 units and 70 labor-hours/day before, 168 units and 84 labor-hours/day after. Newsletter copies A and calls it a “20% efficiency gain.” One worker letter reports a longer shift. Collection note says manager reports were donated, rosters discarded, and no worker-wide survey collected. Write a short research brief defining a measure, showing calculations, tracing dependency, explaining archive limits, and stating what could revise your conclusion.

Work on paper or in your own document. Explain the choices you made.

  • Calculate 20% daily-output rise and unchanged two units per labor-hour.
  • Identify the newsletter as dependent on the table.
  • Keep the worker letter’s claim individual.
  • Explain documented roster loss and absent broad worker evidence.
  • Specify comparable records that could revise rate or experience conclusions.
Compare with a model response

Define measured efficiency as units per total labor-hour. Daily output rises (168−140)/140=20%, but 140/70=2 and 168/84=2, so the supplied data show no efficiency gain by that measure. The newsletter copies A and mistakes daily growth for rate growth. One letter reports that writer’s longer shift; discarded rosters and no worker-wide survey leave broader schedules and experiences unresolved. Corrected comparable output/hour records could revise the rate conclusion, while authenticated broader worker accounts or surviving rosters could address experience questions if located; their contents are not supplied.

A different response can also meet the criteria. Compare the evidence and reasoning, rather than copying the wording.