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# A student is assessing the correlation between the average number of hours of internet

• From Mathematics, Algebra
• Due on 24 Jan, 2020 11:59:00
• Asked On 24 Jan, 2020 10:36:06
• Due date has already passed, but you can still post solutions.
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A student is assessing the correlation between the average number of hours of internet browsing and average score on a math test. 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? Justify your answer. (4 points)

Part B: Write a function which best fits the data. (3 points)

Part C: What does the slope and y-intercept of the plot indicate? (3 points)

(10 points)

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## [Solved] Complete step by step solution : Correlation.

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• Submitted On 24 Jan, 2020 02:01:12
x 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 Mean MX = ∑x / n = (0+0.5+1+1.5+2+2.5+3+3.5+4+4.5) / 10 = 22.5 /10 = 2.25 y 95 94 93 92 91 90 89 87 86 85 Mean MY = ∑y/ n = (95+94+93+92+91+90+89+87+86+85...
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## [Solved] R-code simulation

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• Submitted On 29 Jan, 2020 02:37:49
The question of correlation between internet browsing sessions and the mathematics score can be arrived at by simulating the relationship in an R-p...
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