What is the Bayes Factor for this test?
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A certain cancer among men aged 70 and over occurs at a rate of 1 in 150. A blood test will be positive 99% of the time if the cancer is present, but is also positive 5% of the time if the cancer is not present.
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- How many permutations of the letters W, X, Y, and Z are possible?Below are the result from R and Jamovi after conducting a two-factor independent-measures ANOVA test using the data from the blood pressure study above. The dependent measure used was blood pressure after taking the new drug or the placebo. Q: Based on the Jamovi/R outputs presented above, what were the two factors that were being tested and how many levels were in each factor?Factor A & levels of Factor A: Factor B & levels of Factor B:The results of a hypothesis test are reported as follows in a scientific report: t(15) = 2.70, p < .05. Based on this report, how many individuals were in the sample? Group of answer choices n = 14 n = 15 n = 16 n = 5
- 2) Find the value of Q1, Q2, and Q3 of the following scores of students in a class. 20 15 10 29 30 19 12 26 24 18Calculate and evaluate Cohen’s d and r2. What decision can you make and why? What do the results mean? What type of error could you be making and what would that mean?Is there a relationship between ABO blood type and Rh factor in undergraduate students at a university? A study involving a sample of 303 undergraduate students at a certain university revealed the following information about their ABO blood type and Rh factor. Rh +ve Rh -ve A 108 18 B 24 5 AB 8 2 O 117 21 Suppose we wish to explore the possibility of a relationship between ABO blood type and Rh factor by carrying out a chi-square test of independence. If we use R to carry out the calculations, we find: Pearson's Chi-squared test data: bloodX-squared = 0.35453, df = 3, p-value = 0.9495 (Some of the expected counts (not shown) are rather small, and while that can be somewhat problematic for this type of test, ignore that issue for the purposes of this question.) Which of the following statements are true? There may be more than one correct statement; check all that are true. Question options: a) The test statistic in…
- A researcher uses a hypothesis test to evaluate H0: ? = 80. Which combination of factors is most likely to result in rejecting the null hypothesis? M = 85 and ? = 0.01 M = 85 and ? = 0.05 M = 90 and ? = 0.05 M = 90 and ? = 0.01For testing the hypothesis Ho:u= 5 versus H : [> 5. And, the value of test statistic z is 2.03. Then, the find the p-value of the test. 6.919 0.0212 0.9788 0.0424How do you solve this statistics question without using code? Find E(Xbar), Var(Xbar), and P[24.17 <= Xbar <= 24.82], approximately. What assumptions and/or theorems were necessary to justify the solution?
- for testing hypothesis h0:u=5 versus h1:u>5. And the value of test statistic z is 2.03. Then, find the p-value of testIn testing the hypothesis H0:µ = 75 vs µ≠75, the following information is known: n = 64, X-bar = 78, and s = 10. the test statistic is equal to?Compute the z score in the following scenario:Raw score = 28Mean = 20SD = 2The Z score is __________.