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BIO 181 LAB MIDTERM GRAND CANYON
UNIVERSITY; brand new version actual exam
with 100% verified questions and correct
solutions |excellent scores
What is a hypothesis? - Correct-answer-- A tentative explanation that is
given and can be tested.
- Predictions that can be tested by conducting observations or by
performing experiments.
What is a null hypothesis? - Correct-answer-- Is a default assumption
that an explanation or prediction is false.
What is an alternative hypothesis? - Correct-answer-- Is the alternative
explanation to the null hypothesis thetas accepted as a best
explanation if the null hypothesis is rejected.
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What is a dependent variable? - Correct-answer-- The elements
measured or counted by an investigator in response to a change in an
experiment as a result of a change in the independent variable.
What is an independent variable? - Correct-answer-- The variable that
drives/manipulates a change in the dependent variable. the
investigator assumes that experimental outcomes can be predicted and
even changed by changing/manipulating an independent variable.
What is an experimental group? - Correct-answer-- The section of the
experiment involving manipulation of an independent variable.
What is the control group? - Correct-answer-- The section of the
experiment in which an independent variable is omitted or set a
standard value. The control group helps to evaluate how the
manipulation of the independent variable affects the outcome of the
experiment.
BIO 181 LAB MIDTERM GRAND CANYON
UNIVERSITY; brand new version actual exam
with 100% verified questions and correct
solutions |excellent scores
What is a hypothesis? - Correct-answer-- A tentative explanation that is
given and can be tested.
- Predictions that can be tested by conducting observations or by
performing experiments.
What is a null hypothesis? - Correct-answer-- Is a default assumption
that an explanation or prediction is false.
What is an alternative hypothesis? - Correct-answer-- Is the alternative
explanation to the null hypothesis thetas accepted as a best
explanation if the null hypothesis is rejected.
, 2|Page
What is a dependent variable? - Correct-answer-- The elements
measured or counted by an investigator in response to a change in an
experiment as a result of a change in the independent variable.
What is an independent variable? - Correct-answer-- The variable that
drives/manipulates a change in the dependent variable. the
investigator assumes that experimental outcomes can be predicted and
even changed by changing/manipulating an independent variable.
What is an experimental group? - Correct-answer-- The section of the
experiment involving manipulation of an independent variable.
What is the control group? - Correct-answer-- The section of the
experiment in which an independent variable is omitted or set a
standard value. The control group helps to evaluate how the
manipulation of the independent variable affects the outcome of the
experiment.
