Question 1 of 5 Share Facebook Twitter LinkedIn WhatsApp Email Copy Link When researchers are studying the effect of new drug treatments on patients, bias can be introduced by patients if they are aware of who receives the placebo. Which type of research design eliminates this type of bias? A. Time series study B. Blind study C. Observational study D. Prospective cohort study Submit Answer
Question 2 of 5 Share Facebook Twitter LinkedIn WhatsApp Email Copy Link What is true about outliers? Choose 2 answers. A. Outliers detected in a study are useful in determining if something does not belong in the study. B. Outliers that are miskeyed can be corrected prior to analysis. C. All outliers are statistically significant when using a normal distribution. D. All observed outliers should be eliminated from a study prior to analysis. Submit Answer
Question 3 of 5 Share Facebook Twitter LinkedIn WhatsApp Email Copy Link A patient satisfaction survey was conducted at Family Practice A. The average rating of online telemedicine visits was 4.5 out of 5, while in-person visits received a 3.0 out of 5. Which samples should be used to compare the ratings? A. Online Family Practice A telemedicine visits and in-person Family Practice A visits B. Total Family Practice A visits and online telemedicine visits C. Total Family Practice A visits and in-person visits D. Online ratings of other family practices and online ratings for all Family Practice A visits Submit Answer
Question 4 of 5 Share Facebook Twitter LinkedIn WhatsApp Email Copy Link A laboratory uses a graduated cylinder to measure liquid volume in metric units. Which type of experimental design is this laboratory implementing? A. Quantitative research B. Development research C. Precision research D. Qualitative research Submit Answer
Question 5 of 5 Share Facebook Twitter LinkedIn WhatsApp Email Copy Link Which use of statistics would apply to employees? A. Influencing future vendor prices B. Predicting future levels of financial risk C. Determining financial interest rates D. Collaborating with competitors on wholesale pricing Submit Answer