Completely Randomized Design and Replication Worksheet with Answer Key

What's on the worksheet

1. A teacher at one middle school ran a completely randomized experiment on 40 students:
2. A software company tests two new word-suggestion settings, A and B, for a tablet's on-screen keyboard against typing with no suggestions (a made-up…
3. In a completely randomized design each unit must be able to receive any of the treatments, and no unit's treatment may spill onto another unit.
4. A woodworking club wants to compare two new wood glues, X and Y, with the white glue its members use now (a made-up study).
5. A food lab tests whether drying temperature changes the moisture left in dried apple slices (a made-up study).
6. Layla wants to know whether an avocado ripens sooner in a paper bag with a banana than in a paper bag alone or on the open counter (a made-up study).