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For a perfect positive linear relationship, the z scores for the Y and X variables will tend to have _____.

The strength of the relationship in a correlational analysis can be calculated with

A scatterplot primarily is intended to show

An outlier may influence the __________ of a correlation coefficient.

The nurse is caring for a patient with ESRD who has been scheduled for hemodialysis this morning. In preparing the client for the dialysis treatment, it is most important for the nurse to 

Outliers will have the strongest impact when:

What is the most appropriate snack for the nurse to offer a patient with stage 4 CKD? 

A psychologist believes that mood is related to quality of performance.  He obtains measures of mood and performance on a group of 20 people, and finds a nonsignificant correlation coefficient of .43.  If the alpha level is .05, nondirectional test, how would this result be reported in a psychological journal?

The nurse is working with a patient at the clinic who does not want to quit smoking even though he is having trouble breathing at times and has a frequent cough. Which clinical practice guideline strategies should the nurse use with this patient? 

From a conceptual perspective, the tradition is to designate the independent variable as the _____ variable and the dependent variable as the _____ variable.