Mathematics, 05.08.2021 22:00 glander2
A student is assessing the correlation between the average number of hours of internet browsing and average score on a math test for the students of a class. The table below shows the data:
Number of hours of internet browsing
(x) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Score on math test
(y) 95 94 93 92 91 90 89 87 86 85
Part A: Is there any correlation between the average number of hours of internet browsing and average score on the math test for the students of the class? Justify your answer.
Part B: Write a function which best fits the data
Part C: What does the slope and y-intercept of the plot indicate?
Answers: 1
Mathematics, 21.06.2019 13:20
Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?
Answers: 2
Mathematics, 21.06.2019 23:30
How do you find the distance of each number from the mean
Answers: 1
A student is assessing the correlation between the average number of hours of internet browsing and...
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