Question

1. dok 2

the data in the graph represents the table from #15. based on the graph, and the answer from #15, which of the following are correct?
more than one answer
class absences and grades

as absences increase, grades increase.
the data represents a strong correlation.
the data represents a linear relationship.
the data represents a positive relationship.
the scatterplot shows a dependence of grade on absences.

Explanation:

1. Analyze "As absences increase, grades increase": From the scatter plot, as the number of absences (x - axis) increases, the final course grade (y - axis) decreases. So this statement is incorrect.
2. Analyze "The data represents a strong correlation": The points in the scatter plot show a relatively clear downward trend, indicating a strong (negative) correlation. So this statement is correct.
3. Analyze "The data represents a linear relationship": The points seem to follow a roughly straight - line (negative) pattern, so it represents a linear relationship. This statement is correct.
4. Analyze "The data represents a positive relationship": A positive relationship would mean that as one variable increases, the other also increases. Here, as absences increase, grades decrease (negative relationship). So this statement is incorrect.
5. Analyze "The scatterplot shows a dependence of grade on absences": Since the grade seems to change (decrease) as the number of absences changes, there is a dependence of grade on absences. This statement is correct.

Answer:

B. The data represents a strong correlation,
C. The data represents a linear relationship,
E. The scatterplot shows a dependence of grade on absences