Normal Distribution and Points

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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 |
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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 :

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