QUESTION 51 "An repeated measures ANOVA is used to evaluate the differences among 6 treatment conditions with a sample of n = 10 participants. For this research study, what is df-between subjects value?" 0 5 O 60 O 54 09
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- question 26 a repeated measures ANOVA using 11 participants observed a df within = 30 and ss-error= 28.05. what will be the value of ms error given this information?Question 02 There is a claim that drink driving has been very common in high ways. The Highway Police randomly caught 300 drivers for breath alcohol test and found that 14% of drivers have breath alcohol over the legal limit. At 4% level of significance, use the p-value approach to test the hypothesis that the percentage of drivers who are drink driving is more than 10%.QUESTION 2 An executive believes that no more than 79% of the company’s employees take all of their vacation days. In a sample of 198 members, 137 employees took all of their vacation days. When testing the executive's hypothesis (using a 1% level of significance), what is the test statistic? (please round your answer to 2 decimal places)
- statistic question 4Question 1 Based on a national survey of adults in U.S, 60 percent of adult believe a phone-in poll of 300,000 people rather than a random sample of 1000 people. Which would you be more likely to believe and why? Question 2 A clinical trial was conducted in which 29 participants were given a pig whipworm egg treatment every 3 weeks for 6 months. At the end of the study, they found 79.3 percent of the subjects in the study experienced a reduction in Chrohn’s disease symptoms. What is the concern with the experimental design of this study? Question 3 You are interested in determining the average age of students at the University. Come up with two questions (and the possible answers they would select, if applicable) in which: 1-Age would be classified as a categorical variable. 2-Age would be classified as a numerical variable Question 4 Knowing the value of determining the sample size prior to the start of a study, you use appropriate sample size formula and calculate the required sample…To help assess the health risks of second-hand smoke, the levels of cotinine (a metabolite of nicotine) were measured in mmol/l in the urine of seven subjects prior to exposure to second-hand smoke and shortly after a two-hour exposure to secondary cigarette smoke. Did the exposure significantly increase the cotinine level? What will be the appropriate statistical analysis to use in this problem? a. z-Test for Comparing Two Means from Independent Populations b. t-Test for Comparing Two Means when the Samples are Dependent c. z-test for comparing the difference between two proportions d. t-Test for Comparing Two Means from Independent Samples e. F-test in Comparing the Difference Between Two Variances
- The effects of heat stresses on the heat shield of the Crew Dragon spacecraft during re-entry was performed using complex computer programs that mimic actual flight using data gathered during the Apollo space program. What kind of study is this? -experimental -census -simulation -observationaltwo types of preoperative skin preparation before performing open heart surgery. These two preparations used aqueous iodine and insoluble iodine. Do these data provide sufficient evidence at the α = 0.05 level to justify the conclusion that they type of skin preparation and infection are associated?