One of the scatter plots has each student’s homework score for the semester on the x axis and the corresponding overall percentage in the course (from 0 to 100) on the y axis. The other again has overall percentage on the y axis, but along the x axis is the student’s position alphabetically in the class. (The student whose name comes first alphabetically is 1, the next alphabetically is 2, and so on.) Which plot is which? Again, discuss your reasons.
One of the scatter plots has each student’s homework score for the semester on the x axis and the corresponding overall percentage in the course (from 0 to 100) on the y axis. The other again has overall percentage on the y axis, but along the x axis is the student’s position alphabetically in the class. (The student whose name comes first alphabetically is 1, the next alphabetically is 2, and so on.) Which plot is which? Again, discuss your reasons.
One of the scatter plots has each student’s homework score for the semester on the x axis and the corresponding overall percentage in the course (from 0 to 100) on the y axis. The other again has overall percentage on the y axis, but along the x axis is the student’s position alphabetically in the class. (The student whose name comes first alphabetically is 1, the next alphabetically is 2, and so on.) Which plot is which? Again, discuss your reasons.
Definition Definition Statistical measure used to assess the strength and direction of relationships between two variables. Correlation coefficients range between -1 and 1. A coefficient value of 0 indicates that there is no relationship between the variables, whereas a -1 or 1 indicates that there is a perfect negative or positive correlation.
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