Determine the correlation coefficient

Reference no: EM133535523

Assignment: Elements of Statistics- Content Mastery Test

Instructions:

After studying and reviewing the concepts and practices, answer all the questions provided on the module concepts: correlation and simple linear regression.

The table below gives the amount of time students in a class studied for a test and their test scores.

Hours Studied 1 0 3 1.5 2.75 1 0.5 2
Test Score 78 75 90 89 97 85 81 80

Graph the data on a scatter plot, find the line of best fit, and write the equation for the line you draw.

Consider the following aspects when submitting your test:

Question 1) Build the scatter plot and bring a conclusion about its use of it.

Question 2) Determine the correlation coefficient.

Question 3) Determine the standard error

Question 4) Determine the regression equation.

Question 5) According to the regression equation found, bring the meaning for coefficients, b0, and b1, and provide a conclusion based on these values

Question 6) Find the value of the test score when hours studied equals 7.

Reference no: EM133535523

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