An inference _______.

Ais a possible explanation for events using prior knowledge
Bexplains if a hypothesis is or is not valid
Cis made independent of observation or prior knowledge
Dcan be either qualitative or quantitative

User: A student conducts an experiment to determine how the amount of water given to a plant affects its growth.

Which of the following is not a control for this experiment?

Athe type of plant
Bthe amount of soil
Cthe amount of water
Dthe amount of time ...

Verified Answer :

  1. a. is a possible explanation for events using prior knowledge

    An inference
    is a possible explanation for events using prior knowledge, therefore, inference is an educated guess which can provide a logical reasoning to an object,  phenomenon or circumstance.


    2. d. the amount of time ...


 Since the amount of time can't clearly be controlled but only observed the other factors which is water, soil and type of plant can be manipulated in the study.