Given the data set (4, 85), (7, 92), (14, 110), which of the following equations best represents a line of best fit?
y = seven over threex + 75.67
y = two over threex + 75.67
y = five over threex − 75.5
y = seven over fourx − 75.5
An equation was used to predict the number of possible enrollments in an afterschool program for the first 6 months of the year. The actual enrollments are also listed.
Actual enrollment 55 80 95 100 115 90
Predicted enrollment 75 80 85 90 95 100
The sum of the residuals is ______.
The box plots below show the math scores of students of two di
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The box plots below show the math scores of students of two different classes:
box plot for Class A has minimum value equal to 55, lower quartile equal to 65, median equal to 75, upper quartile equal to 80 and maximum value equal to 95. Box plot for Class B has minimum value equal to 65, lower quartile equal to 70, median equal to 75, upper quartile equal to 85 and maximum value equal to 94
Based on the box plots, which statement is correct?
The median score of Class A is greater than the median score of Class B.
The lower quartile of Class A is greater than the lower quartile of Class B.
The upper quartile of Class A is greater than the upper quartile of Class B.
The maximum score of Class A is greater than the maximum score of Class B.
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