Is there a relationship between a college student’s GPA and the number of hours that student  works per week? The following data is based on a random sample. The random variable x  represents number of hours worked per week and y represents GPA. ? 15 7 30 20 60 ? 3.2 3.4 3.0 3.3 2.1 a. Plot a scatter diagram of the above data. b. Estimate the sample correlation coefficient r as positive, zero, or negative. c. Interpret your results from parts a. and b

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A: B. 0.0174

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A: The provided data set is: The formula to compute the correlation coefficient is:

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Q: 48 What is a good estimate of the correlation coefficient for the scatterplot? 0.9 0.5 -0.9 -0.5 Y…

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A:

Q: nillimeters of mercury from the data set and find the newo lata set. going from 0.919 to a

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Q: Given the following Data Set for a Sample, build a 83% Cl=(a, b) for the Average. X=[3.2, 3.7, 1.9,…

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A: Given,

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Q: Which of the following situations should the correlation coefficient be calculated for? IV = race;…

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A:

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A: We want to tell you which one is the correct choice.

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A:

Q: If the Correlation Coefficient (r) between two variable was calculated to be 0.7898, what percent…

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