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The only disadvantage of a global variable is that you cannot directly encapsulate them. Other than that, there is no real disadvantage of global variables.
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What are the advantages and disadvantages of representing a relationship between variables in a written report?
Advantages: you can see an exact number. Disadvantages: you cannot see the changes between intervals.
What are the advantages and disadvantages of scatter diagram?
ADVANTAGES Shows relationship between two variables best method to illustrate a non-linear pattern.
What is the differecnce between independent variables and dependent variables?
Every time the independent variables change, the dependent variables change.Dependent variables cannot change if the independent variables didn't change.
What are controlled independent and dependent variables?
control variables: the things that are not changing.Independent variables: the things that you change.Dependent variables: the things that are changed due to the independent variable
Can variables be positive or negative?
both, variables can be anything
