Describe what is meant by a negative relationship and a positive relationship

1 ) Describe what is meant by a negative relationship and a positive relationship between two variables.2 ) A sample of n = 25 pairs of scores (X and Y values) produces a correlation of r = –0.40. Are these sample data sufficient to conclude that there is a significant non-zero correlation between X and Y in the population? Use a two-tailed test at the .05 level of significance.3. For the data below:a. Compute the Pearson correlation.b. Find the regression equation for predicting Y from X.X Y5 103 66 74 32 4

 

 

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