Question: Use the data in Chapter 17 Data Set 4 (ch17ds4.csv) to answer the following questions. Compute the correlation coefficient manually. a. Test for the significance

Use the data in Chapter 17 Data Set 4 (ch17ds4.csv) to answer the following questions. Compute the correlation coefficient manually.

a. Test for the significance of the correlation coefficient at the .05 level using a two-tailed test between hours of studying and grade.

b. Interpret this correlation. What do you conclude about the relationship between the number of hours spent studying and the grade received on a test?

c. How much variance is shared between the two variables?

d. How do you interpret the results?

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