Question

The following data gives the number of hours 10 students spent studying and their corresponding grades...

The following data gives the number of hours 10 students spent studying and their corresponding grades on their exams.

Hours Spent Studying 0.5 1 1.5 2 2.5 3 4.5 5 5.5 6
Grades 60 63 69 72 75 78 87 93 96 99

Step 1 of 3:

Draw a scatter plot of the given data.

2 of 3:

Estimate the correlation in words: positive, negative, no correlation.

Step 3 of 3:

Calculate the correlation coefficient, r. Round your answer to three decimal places.

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

solution:-

Step 1 of 3:

scatter plot of the given data is

step 2 of 3:

the correlation coefficient is : positive

step 3 of 3:

the correlation coefficient , r = 0.998 (round to three decimal places)

explanation:-

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