QUESTION IMAGE
Question
select the correct answer from each drop-down menu.
a high school teacher recorded the number of hours each of his students spent on a social networking website in a particular week and related this with their scores on a math test they took at the end of the week. the data is represented in the scatter plot.
qualitatively evaluate the information in the scatter plot. an acceptable estimate for the graphs correlation coefficient could be choose an answer.
based on the data, we can conclude that the time students spent on the social networking website had a choose an answer effect on their performance on the test.
Analyze the scatter plot trend
The scatter plot shows the relationship between "Time Spent on Social Network (hours)" on the x-axis and "Test Score" on the y-axis. As the time spent increases, the test scores generally show a downward trend, indicating a negative correlation.
Estimate the correlation coefficient
The data points are moderately scattered and do not form a tight straight line, but they do show a clear downward trend. An acceptable estimate for a moderate negative correlation coefficient is approximately \(-0.3\) to \(-0.5\).
Determine the effect on performance
Since the correlation is negative, we can conclude that the time students spent on the social networking website had a negative effect on their performance on the test.
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Qualitatively evaluate the information in the scatter plot. An acceptable estimate for the graph's correlation coefficient could be <blank>\(-0.3\)</blank>.
Based on the data, we can conclude that the time students spent on the social networking website had a <blank>negative</blank> effect on their performance on the test.