# Normal Distribution and Points

1330 WordsDec 21, 20126 Pages
1. A formal statement that there is an absence of relationship between variables when tested by a researcher is called: (Points : 1) | Null hypothesis Type I error Type II error Negative interval | 2. Bivariate statistics refers to the statistical analysis of the relationship between two variables. (Points : 1) | True False | 3. Positive relationships between two variables indicate that, as the score of one increases, the score of the other increases. (Points : 1) | True False | 4. A result that is probably not attributable to chance is: (Points : 1) | Type I error Type II error Statistical significance In the semi-quartile range |…show more content…
Which test is most appropriate? (Points : 1) | One sample t-test ANCOVA Independent t-test Logistic regression | 40. Psych nurses wanted to evaluate the effect of three different treatments for anxiety - positive imagery, therapeutic touch, and medication on anxiety score (interval data) while controlling for the effect of length of stay. Which test is most appropriate? (Points : 1) | ANOVA ANCOVA Independent t-test Paired t-test | 41. Critical care nurses wanted to evaluate the effect of heparin vs saline IV flush solution on IV patency (patent vs not patent). Which test is most appropriate? (Points : 1) | One sample t-test Independent t-test Chi-square test ANOVA | 42. A nurse researcher wanted to evaluate blood pressure in a set of patients/research subjects at 1, 3, and 6 months. What test would be most appropriate? (Points : 1) | Independent t-test ANVOVA RM-ANOVA ANCOVA | 43. In a study that examines the effect of a peer mentor on the heart rate of patients, what is the dependent variable? (Points : 1) | Peer mentoring Emotional status Heart rate Patients | 44. A variable with equal distances between score units which also has a true meaningful zero is: (Points : 1) | Ordinal Cardinal Ratio Nominal | 45. The standard deviation is: (Points :