12)
Does the graph represent a positive correlation, a negative correlation, or neither?
0,30 1,26 1.5,24 2.5,22 3,25 3.5,20 4,21 4.5,19 5.5,16 6.5,17 7.5,15 8.5,12 19,13 20,11
(1 point)
Responses
Positive correlation
Negative correlation
Neither
Looking at the given data points, it can be observed that as the x-values increase, the corresponding y-values generally decrease. This indicates a negative correlation. Therefore, the graph represents a negative correlation.
13)
A school compared students' absences to their course grades. The school determined the correlation coefficient of each student's absences to course grades was r = −92
Choose the correct response for each drop down menu.
There is blank relationship between the number of absences and the course grades
The graph represents a blank relationship between x and y
The slope of the graph is blank
There is a negative relationship between the number of absences and the course grades.
The graph represents a negative relationship between x and y.
The slope of the graph is negative.
13)
A school compared students' absences to their course grades. The school determined the correlation coefficient of each student's absences to course grades was r = −92
Choose the correct response for each drop down menu.
blank
There is weak or strong relationship between the number of absences and the course grades
The graph represents a quadratic, exponential, or linear relationship between x and y
The slope of the graph is negative or positive
There is a strong relationship between the number of absences and the course grades.
The graph represents a linear relationship between x and y.
The slope of the graph is negative.