Question
Maddie’s math teacher plots student grades on weekly quizzes against the number of hours they work on classwork a week and then draws the line of best fit Write an equation in slope intercept form of the trend
Answers
Answer
Write an equation in slope-intercept form of the trend line.
(1 point)
Responses
y=x+55
y is equal to x plus 55
y=−5x
y is equal to negative 5 x
y=5x+55
y is equal to 5 x plus 55
y=x+60
y is equal to x plus 60
Question 2
Part B
According to the data, what is the best prediction for a student's quiz grade if they spend 5 hours working on their math classwork a week?
(1 point)
Responses
71
71
90
90
75
75
81
(1 point)
Responses
y=x+55
y is equal to x plus 55
y=−5x
y is equal to negative 5 x
y=5x+55
y is equal to 5 x plus 55
y=x+60
y is equal to x plus 60
Question 2
Part B
According to the data, what is the best prediction for a student's quiz grade if they spend 5 hours working on their math classwork a week?
(1 point)
Responses
71
71
90
90
75
75
81
Answered by
GPT 3.5
The equation in slope-intercept form of the trend line is:
y = mx + b
where y represents the student grades, x represents the number of hours worked on classwork per week, m represents the slope of the line, and b represents the y-intercept.
The slope of the trend line, m, represents how the student grades change with each additional hour spent on classwork. The y-intercept, b, represents the expected student grade when the number of hours worked on classwork is zero.
y = mx + b
where y represents the student grades, x represents the number of hours worked on classwork per week, m represents the slope of the line, and b represents the y-intercept.
The slope of the trend line, m, represents how the student grades change with each additional hour spent on classwork. The y-intercept, b, represents the expected student grade when the number of hours worked on classwork is zero.
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