NUR 315- Quantitative Research Intro & Statistics Questions with 100% Correct Answers

Which term describes the most frequently occurring value in a data set? 1. mode 2. mean 3. range 4. median Correct Answer 1. mode Why is it important to determine if a sample is normally distributed? 1. Because larger samples are usually not normally distributed 2. Because we cannot run statistical tests on samples that are not normally distributed 3. Because a normally distributed sample does not require advanced statistical tests 4. Because it will determine whether you can use a parametric test or a non-parametric test Correct Answer 4. Because it will determine whether you can use a parametric test or a non-parametric test In reviewing a study's results, you see that the correlation coefficient between chocolate consumption and exam performance is r= -0.8 (p=.02) What can you infer about these results? 1. There is no relationship between chocolate consumption and exam performance 2. As students consume more chocolate, they perform better on exams 3. As students consume more chocolate they perform worse on exams 4. As students consume less chocolate, they perform worse on exams Correct Answer 3. As students consume more chocolate they perform worse on exams Which correctly describes statistical analysis? 1. This is an optional component of data collection in quantitative research 2. This is an optional component of data analysis in quantitative research 3. This is a critical part of the data analysis phase in quantitative research 4. This is a critical part of the data collection phase in quantitative research Correct Answer 3. This is a critical part of the data analysis phase in quantitative research A researcher concludes that a significant relationship exists between chocolate consumption and exam performance- yet, in reality there is no significant relationship. This is also known as what? 1. Standard deviation error 2. Type II error 3. Type 1 error 4. Correlation coefficient Correct Answer 3. Type 1 error