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The scatter plot shows the study time and test scores for the students in Mrs. Johnson’s English Literature class.
A graph titled Study Time and Test Scores has study time (minutes) on the x-axis, and test scores on the y-axis, from 60 to 100. Points include (60, 78) and (60, 85).
Based on the results, which of the following is an appropriate score for a student who studies for 1 hour?
a.
68
b.
98
c.
82
d.
72


Sagot :

Answer: c.82

Explanation: Since the x axis is in minutes that means 60, the first value in both sets, is 1 hour meaning the values given for y are the scores people received after studying for 1 hour. So that means students who studied for an hour made scores in the range of 78-85, so we can speculate that any other student who studied for a hour would get a score within that range, making the correct answer c.82