(See Steps) A psychologist wants to determine if there is a linear relationship between the number of hours a person goes without sleep and the number of


Question: A psychologist wants to determine if there is a linear relationship between the number of hours a person goes without sleep and the number of mistakes he/she makes on a simple test. The following data is recorded.

Hours without
Sleep ,x
Number of
Mistakes ,y
32 6
38 10
24 4
35 6
30 5
34 9

Do the following:

  1. Describe the scatter diagram for this set of data.
  2. Compute the value of the correlation coefficient.
  3. Is there significant linear correlation at the 5% level, 1% level, both, or neither?
  4. Find the coefficient of non-determination.

Price: $2.99
Solution: The downloadable solution consists of 3 pages
Deliverable: Word Document

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