0
Add your answer:
Earn +20 pts
What describes the variable that is changed to test the prediction?
The independent (or explanatory) variable is changed to test the prediction,
Describe the difference between a dependent and independent variable?
The dependent variable changes as a result of changes in the independent variable.Put another way,The Independent Variable is manipulated, and is known as the changed variable.The Dependent Variable is responding, and is known as the result.Example : In an experiment to test the effect of heating on evaporation, the various temperatures would be the independent variable, which will be changed by the experimenter. The amount of water that evaporates in a given time is the dependent variable, which is the data sought in the experiment.
What is the difference between a variable and a non variable?
A variable changes. It varies. A non variable does not change. It is constant. For example if I write a mathematical expression such as x + 1, then x is a variable. Its value can be whatever value we choose. However 1 is a non variable. Its value is 1 and never changes from 1. In a scientific experiment a variable would be something that you changed from one test to another. A non variable would be something that remained constant from test to test. As a final example: the speed at which light travels in a vaccum is a constant. It is referred to by the letter c which stands for the universal constant. However, the speed at which your car travels is a variable. It changes.
What is independent variable in science?
Its the variable that is different between the control and test parts of the experiment.
What do you mean by expected frequencies in chi-square test?
For a chi-square test there is a null hypothesis which describes some distribution for the variable that is being tested. The expected frequency for a particular cell is the number of observations that would be expected in that cell if the null hypothesis were true.
What describes the variable that is changed to test the prediction?
The independent (or explanatory) variable is changed to test the prediction,
An variable is changed to determine how it will affect the dependent variable?
The type of variable that responds to the dependent variable is called the independent variable.
What is the one variable that is changed to test a hypothesis is?
The one variable that is purposely changed to test a hypothesis is manipulated variable
What is a variabl that is purposely changed to test a hypothesis is a?
The one variable that is purposely changed to test a hypothesis is manipulated variable
What is a variable that is changed to test A hypothesis?
The independent variable.
What is a variable that is changed to test the hypothesis?
The independent variable.
What is the only variable that should be changed to test?
Independent variable
The one variable that is purposely changed to test a hypothesis is?
The independent variable is the one variable that is purposely changed in an experiment to test a hypothesis. It is manipulated by the researcher to observe its effect on the dependent variable.
What is the variable that is changed to test a hypothesis?
The variable that is changed to test a hypothesis is called the independent variable. It is manipulated by the researcher to observe its effect on the dependent variable, which is the variable being measured or observed in response to the changes in the independent variable.
What is the one variable that is changed in an experiment to test a hypothesis?
The one variable that is changed in an experiment to test a hypothesis is called the independent variable. This is the variable that the researcher manipulates or controls to observe its effect on another variable, known as the dependent variable.
What is the one variable that is changed in an experiment to test the hypothesis?
Manipulated variable
What is a mainpulated variable?
The one variable in an experiment that is changed to test a hypothesis.
