Answer :
In this question, we are dealing with a statistical concept related to the ACT exam scores from 2010.
When discussing the 'variable' of a population distribution, we are typically referring to the characteristic or measure that is being observed or recorded. In the context of the ACT exam scores, the variable would be the 'comprehensive scores' achieved by students on the ACT exam in 2010.
To break it down further:
Who: This involves all students who took the ACT exam in 2010.
What: The variable in this context is the comprehensive score of the ACT exam. A variable in statistics is essentially what we are measuring, observing, or analyzing—here, it is the score.
When: The timeframe mentioned is the year 2010.
Where: The ACT is a national exam in the United States, so it applies to students across the country.
Why: Understanding this variable helps in analyzing the performance, distribution of scores, and potential areas of emphasis in education.
How: These scores are collected as students take the exam, enabling statisticians and educators to analyze trends and outcomes.
In summary, the variable in this population distribution is the comprehensive score students received on the ACT in 2010.
