Imagine you work for a psychological testing agency and you have been assigned the role of analysing the data. The experiment involves testing 4 different drugs in treating 20 asthma patients. They were each asked to take the 4 different drugs in 4 different weeks and record how many attacks they had while taking each drug per week.   Explain why this is a Repeated Measures Design? Explain TWO reasons why this design is the best choice? Explain ONE challenge you may experience with this experiment?

Q: Pediatric researchers conducted a medical study to test if honey is a true home remedy as compared…

A: Given table:

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: State the hypotheses.   Let p1 denotes the population proportion of men who own cats. Let p2 denotes…

Q: You take a random sample of size 25 students and find the 5 who understand this lecture. With 99%…

A:

Q: You like to eat tuna sandwiches. Recently you have noticed that there does not seem to be as much…

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Q: Describe a business scenario where you would have to test more than two samples of data. What type…

A: Given information: The investigator is specially interested describe a scenario to test more than…

Q: If you have a sample size of 500, should you interpret the statistical significance or the effect…

A: Statistical Significance:Statistical significance, often represented by a p-value, indicates whether…

Q: Explain the difference between an observational study and an experiment. Give the description of a…

A: The observational study measures the effect of the factors without changing who and who isn't…

Q: What is the difference between a one way anova, a repeated measures anova, and 2 way anova? Are the…

A: ANOVA test is used to analyze the difference between means of more than two groups. One way ANOVA…

Q: A study is testing the effectiveness of a new allergy medication. Sixty people who reported they…

A: Given: Number of people who have reported allergies = 60

Q: Does octane matter? Some people believe that higher octane fuels result in better gas mileage for…

A: Given that, Some people believe that higher octane fuels result in better gas mileage for their…

Q: You want to estimate the percentage of statistics students who get grades of C or better. How many…

A: In the given case we need to find the minimum sample size that will give the margin of error equal…

Q: You are doing a research project for a class you are taking. You want to show the value such that​…

A: We will be first finding the descriptive statistics and then calculate the five number summary of…

Q: You want to estimate the percentage of small incorporated businesses that are owned by women. A…

A: The random variable percentage of small incorporated businesses follows binomial distribution. The…

Q: Your math teacher Ms. Washington notices that students with calculators do better on her math tests…

A: Solution Causation and correlation are different and causation  do not provide correlation.

Q: A major company would like to assess the relationship between self confidence and sales levels in…

A: In this case, we will use correlation coefficient.

Q: A popular blog reports that 45% of college students log in to Instagram on a daily basis. The Dean…

A: Given that:Sample size, Number of students logging in daily (Number of favorable cases), Level of…

Q: What represents a trial of taking six shots

A: A  trial is a single performance of a well-defined experiment. Hence, a trial has a well-defined set…

Q: C. The test statistic (t |(please show your answer to 3 decimal places.) d. The p-value = (Please…

A:

Q: Antibiotic is claimed to be effective in 70% of the patients it is given to. If antibiotic is given…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: You have been hired by a local middle school to teach students about drugs and the harms of drug…

A: Given information- Sample size, n = 10 Significance level, α = 0.05 We have given pre and post data…

Q: Viveiros investigated the influence of video game playing on arousal. She had participants rate…

A: Appropriate Test:

Q: A new cream was developed to reduce the irritation caused by poison ivy. To test the effectiveness,…

A: Introduction: The benefit of the comparison done in the given study is to be determined.

Q: Researchers conducted a study to determine whether there were significant differences in graduation…

A: Given that, probability, p= 96% = 0.96 So q= 1-p= 1-0.96= 0.04 And sample size is n= 13 So X~…

Q: A histological test for cancer has sensitivity, specificity, positive predictivity, and negative…

A: To find, Which of the four indicators would you use to reassure a patient that the positive result…

Q: Part 4 of 7 Part 4: Using the normal approximation for the binomial distribution (without the half…

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Q: how would you collect data with people in this time of pandemic?

A: Plan ahead for different COVID scenarios, and draft a budget that assumes the worst. Recruit an…

Q: For this discussion, you will come up with an example of a situation in which two means would need…

A: Describe a possible study that could be conducted to compare two groups means:

Q: You are asked to evaluate the effect of a fast acting blood pressur- medication. You take a random…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: expensive). The toy was priced the same at all retail stores. Compute the percentage of variance…

A:

Q: You want to estimate the percentage of statistics students who get grades of C or better. How many…

A: Obtain the sample size. The formula of sample size is, Obtain the area of probability in the right…

Q: Please solve step 2,3,4 …thank you!

A: Given Information: The hypothesized value for the 2013 average annual number of Melanoma, mortality…

Q: Researchers have been studying the reliability of a new medical test. On their last study, they…

A: It is required to find the probability that the test suggests the disease is present if an…

Q: Placebo Drug A Drug B |70 |60 10 30 50 15 50 30 10 50 30 18 40 40 19 Use alpha of .05.

A: Here, there are more than two groups to compare the means, the one-way ANOVA is the appropriate…

Q: Last semester, Bonnie took a different Biology teacher than her friend Tony. After the final exam,…

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Q: rmine how well your class consisting of twenty-nine students performed in a summative examination.…

A: Scores No. of Students 21-30 2 31-40 1 41-50 6 51-60 8 61-70 7 71-80 9 81-90 5…

Q: When you are done, click here to see a summary of your score Question with last attempt is displayed…

A: Here, the hypothesized population proportion for this test is 0.29.Here, the claim is that the…

Q: Explain the major difference between an experiment and an observation.

A: In an experiment, the researcher manipulates every aspect for deriving a conclusion. In…

Q: I am doing a case study for statistics and I have to do a report with it. What do I include on the…

A: When writing a statistical case study report, you should include the following components:…

Q: A group of doctors published an article in the New England Journal of Medicine. In the article they…

A: Solution: Given information: n1= 367   Sample size of assigned to surgery n2= 364    Sample size of…