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MMLU-Pro / 7903 / A manufacturer of ready-bake cake mixes is interested in designing an experiment…

Problem

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question

A manufacturer of ready-bake cake mixes is interested in designing an experiment to test the effects of four different temperature levels (300, 325, 350, and 375F), two different types of pans (glass and metal), and three different types of ovens (gas, electric, and microwave) on the texture of its cakes, in all combinations. Which of the following below is the best description of the design of the necessary experiment?

category

math

options

  1. A randomized block design, blocked on temperature and type of pan, with 12 treatment groups
  2. A completely randomized design with 6 treatment groups
  3. A randomized block design, blocked on type of oven, with 24 treatment groups
  4. A randomized block design, blocked on temperature, with six treatment groups
  5. A completely randomized design with 18 treatment groups
  6. A randomized block design, blocked on type of oven, with 12 treatment groups
  7. A completely randomized design with 24 treatment groups
  8. A randomized block design, blocked on type of pan, with 12 treatment groups
  9. A completely randomized design with 12 treatment groups
  10. A completely randomized design with nine treatment groups

src

ori_mmlu-high_school_statistics

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