Answer:
No, he is not a Representative of the eighth grade population
Step-by-step explanation:
Marc is a high school senior so he cannot represent eight grade.
No, Marc's score is not an accurate predictor of students performance
For the explanation see below:
An accurate predictor is fair delegate of all thought of or test values, on a normal, with some all around assessed expected variety level.
In this way, such indicator should incorporate and envelop different and not single information values.
In this way, such indicator should incorporate and envelop different and not single information values.
Subsequently, in foreseeing understudies' test execution - signs of an extensively decent number of understudies (delegate of understudies' entire) ought to be incorporated.
To learn more about Predictors, refer https://brainly.com/question/15409824?referrer=searchResults
