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22 July, 00:58

An experiment will be conducted in which 20 pepper plants are randomly assigned to two groups. The plants in Group 1 will receive the current fertilizer, Fertilizer A, and the plants in Group 2 will receive a new fertilizer, Fertilizer B. All other growing conditions, including amount of sunlight and water, will be kept the same for the two groups. The growth of the pepper plants will be compared for the two groups. What are the experimental units in this experiment?

The two types of fertilizer

a. The sunlight and amount of water

b. The 10 plants in Group 1

c. The 10 plants in Group 2

d. The 20 plants in the two groups

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  1. 22 July, 01:53
    0
    d

    Step-by-step explanation:

    Solution:-

    The experimental unit is the physical entity which can be assigned, at random, to a treatment. (The treatment in our scenario is the effect of two types of fertilizers Type A and Type B on the plants)

    - Commonly it is an individual animal - plant. The experimental unit is also the unit of statistical analysis. (statistical analysis is done on the plants divided into two groups: Group 1 and Group 2)

    - However, any two experimental units must be capable of receiving different treatments. (Group 1 - Type A fertilizer) & (Group 2 - Type B fertilizer).

    Answer: The experimental unit are the two groups (Group 1 and Group 2) each consists of 20 plants.
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