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Duckweed Experiment: Multiple Levels of TWO Factors

Duckweed Experiment: Multiple Levels of TWO Factors. YES. NO. 16 Duckweed per Cup. Tap Water. Pond Water. No Ash. Ash. High Fertilizer. No Fertilizer. Low Fertilizer. Tap Water. Pond Water. Two-Factor Analysis of Variance (ANOVA). MAIN EFFECTS (= Individual Effects) Fertilizer

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Duckweed Experiment: Multiple Levels of TWO Factors

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  1. Duckweed Experiment: Multiple Levels of TWO Factors

  2. YES

  3. NO

  4. 16 Duckweed per Cup

  5. Tap Water Pond Water No Ash Ash

  6. High Fertilizer No Fertilizer Low Fertilizer Tap Water Pond Water

  7. Two-Factor Analysis of Variance (ANOVA) MAIN EFFECTS (= Individual Effects) Fertilizer Water Type INTERACTION EFFECT (= Synergistic or Inhibitory Effects) Fertilizer x Water Type

  8. Lab Next Week • 1-3 People per Team • Collect Data over Two Weeks • Data Analysis • Short Scientific Paper with four sections (Introduction, Methods, Results, Discussion) due early April)

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