NR 716 Week 7 Quiz

Week 7: Quiz | Statistics Started: Apr 16 at 8:32am Score for this attempt: 200 out of 200 Quiz InstructionsWeek 7 Statistics  Q u i z P u r p o s e The purpose of this quiz is for you to demonstrate application of knowledge of parametric and non- parametric statistics. I n s t r u c t i o n s  Take the quiz assigned for this week. The quiz is locked until Day 1 of Week 7. You may take the quiz anytime during this week. Attempts: 2 The highest score will be recorded in the gradebook. If you are satisfied with your score on the first attempt, no need to retake the quiz a second time. Questions: All quiz questions come directly from the course content. Time Limit: None While there is no time limit to complete the quiz, we suggest you allow 30-45 minutes of uninterrupted time to complete the quiz. Respondus Lockdown Browser: Not required es w You may use your resourchile taking the quiz. Top C o u r s e O u t c o m e s be This assignment enables the student to meet the following course outcomes: 1. Evaluate selected statistical methods for the purposes of critiquing the research to complement the critical appraisal of evidence. (POs 3, 5, 7, 9) D u e D a t e By 11:59 p.m. MT on Sunday The scientists report the chemotherapy is effective when it is not effective. The scientists report the chemotherapy is not effective when it is effective. The scientists report their results as inconclusive There is no way to determine the answer in this scenario When researchers set the level of significance, they are thinking about the possibility of Type I and Type II errors. When researchers are testing the effect of chemotherapy on cancer, which of these answers below would be a consequence of a type I error? 8 pts Question 1 Using the interactive statistical flowchart, which of the options below is an assumption of the Mann Whitney U test? The data sample size mustat least 200 Top The data is arranged in a scatter flowerpot curve Independence of observations, or the data is independent of each other The data are related to each other or paired 8 pts Question 2 John's Relational test Bonjovi's test Regression Analysis Spearman's Rank Correlation The DNP student is reading a research article in which there are 2 groups and one intervention. The level of measurement is ratio level data. The researchers measured the relationships and they have a true independent variable. Using the interactive statistical flowchart, what statistical test did the researchers most likely conduct? 8 pts Question 3 A Ph.D. nurse performs an experiment testing the frequency and correlation of the participant demographics. She plots a histogram measuring income versus education level. She produces the following graph below. Which of the following describes thisdistribution? Top 8 pts Question 4 Normal Bimodal Left Skewed Right Skewed