Stats Solutions

[See Solution] Calculate and interpret the mean and the standard deviation for variables X and Y. Calculate and interpret the Pearson’s correlation coefficient

Question:

  1. Calculate and interpret the mean and the standard deviation for variables X and Y.
  2. Calculate and interpret the Pearson’s correlation coefficient between test scores (X) and number of hours a person studied for a test (Y)
  3. Determine if the coefficient is statistically significant and tell me how you reach that conclusion.
  4. Based on your prior answer, reject /accept null hypotheses (2 tailed) and tell me what that means.

X Y

90 10

86 9

94 7

70 6

86 7

90 15

94 10

66 5

98 11

86 9

Price: $2.99
Solution: The downloadable solution consists of 4 pages
Deliverable: Word Document


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