Stats Solutions

(Solution Library) In the following data there are three scores (x , y , z) for each of the n = 5 individuals. x y z 3 5 5 4 3 2 2 4 6 1 1 3 0 2 4 Sketch a graph

Question: In the following data there are three scores ( x , y , z ) for each of the n = 5 individuals.

x y z
3 5 5
4 3 2
2 4 6
1 1 3
0 2 4
  1. Sketch a graph showing the relationship between X and Y. Compute the Pearson correlation between X and Y.
  2. Sketch a graph showing the relationship between Y and Z. Compute the Pearson correlation between Y and Z.
  3. Given the results from (a) and (b) what would you predict for the correlation between X and Z
  4. Sketch a graph showing the relationship between X and Z. Compute the Pearson correlation between X and Z.
  5. What general statement can you make concerning relationship among correlations? If X is related to Y and Y is related to Z, does this necessarily mean that X is related to Z.

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


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