Identifying at least one confounding variable that undermines the conclusion drawn in the fictional study is:
All students took the same comprehensive test.
Step-by-step explanation:
In a study, an independent variable causes an effect on the dependent variable. But a confounding variable is the variable that influences the independent variable as well as the dependent variable. If this third variable is not controlled, it might lead the researcher to make a wrong estimate of the relationship that exists between the independent variable and the dependent variable.
Assuming that Jupiter and Earth are similar linear sale factor=(diameter of Jupiter) /(diameter of earth)=11 thus: diameter of earth=(diameter of Jupiter)/(linear scale factor) =88000/11 =8000 miles The diameter of earth is 8000 miles
