When conducting an ANOVA on sbp and genhelth, the p-value is 0.04. Therefore weconcludereject the null hypothesis at 5% level, mean sbp different for all categories of genhelthno evidence to reject the null hypothesis of equal meansreject the null hypothesis at 1% level, mean sbp different for all categories of genhelthO reject the null hypothesis at 5% level, mean sbp different for at least one category of genhelthType here to searchF1F2F3F4F540F6F718°C Partly sunnyPrtScnF8HomeF9EndF10PgUpF11ENG1:21 PM6/06/2023PgDnF12

When conducting an ANOVA on sbp and genhelth, the p-value is 0.04. identify correct conclusion.

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Let Z be the standard normal variable with expected value 0 and variance (standard deviation) 1. According to the Chebyshev inequality, P(|Z| ≥ 0.72) ≤ 曲 (give your answer to six decimal places) In fact, P(|Z| ≥ 0.72) ≈ (give your answer to four decimal places using the table in Appendix A of the textbook) Hint: the complement of the event "|Z > 0.72" is the event "-0.72 < Z < 0.72."
Describe a potential example of an "Analysis of Variance (ANOVA)" that could be conducted within the social sciences, and list what you believe the null and alternative hypotheses would be for this study. No data or calculations are necessary whatsoever, but you should describe why you developed your chosen hypotheses (e.g., based on your own understanding of current research, real world observations, a wild guess, etc.). In addition, specify your groups/levels, and remember that ANOVA is used to test for mean differences when there are more than two groups/levels. Thus, you should describe an example with 3 or more groups/levels.
Question 6 > Test the claim that the mean GPA of night students is significantly different than 2.8 at the 0.01 significance level. The null and alternative hypothesis would be: Ho:p > 0.7 Ho:p 2.8 Họ:µ = 2.8 Họ:p = 0.7 H1:p 0.7 H1: µ > 2.8 H1:µ < 2.8 H1:µ# 2.8 H1:p# 0.7 The test is: left-tailed two-tailed right-tailed Based on a sample of 65 people, the sample mean GPA was 2.81 with a standard deviation of 0.03 The test statistic is: (to 2 decimals) tv 5.
« Qu Kercise 13.39 Algo (Analysis of Variance and the Completely Randomized Design) Hint(s) Chec. - Pew Research study conducted in 2017 found that approximately 75% of Americans believe that robots and computers might one day do many of the jobs currently done by people (Pew Research website, nttp://www.pewinternet.org/2017/10/04/americans-attitudes-toward-a-future-in-which-robots-and-computers-can-do-many-human-jobs/). Suppose we have the following data collected from nurses, tax auditors, and fast-food worke nigher score means the person feels his or her job is more likely to be automated. Tax Fast-Food Nurse Auditor Worker 4 8 4 4 4 6. 5 6. 5 a. Use a = 0.05 to test for differences in the belief that a person's job is likely to be automated for the three professions. F = (to 2 decimals) The p-value is between 0.05 and 0.10 What is your conclusion? We cannot reject V the null hypothesis that the mean scores are the same for the three professions. b. Use Fisher's LSD procedure to…
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What is the critical value of a one-tailed greater than One-Sample Z-Test for Mean where alpha equals 0.05?
Independent random samples of households in the 5 U.S. regions yielded the data on last year’s energy consumption(Kilowatts). At the 5% significance level, do the data provides sufficient evidence to conclude that a difference exists in last year’s mean energy consumption by households among the 5 U.S. regions? ANOVA Test Northeast: 15, 10, 13, 14, 13 Midwest: 17, 12, 18, 13, 15, 12 Southeast: 11, 7, 9, 13 West East: 10, 13, 8, 7, 9 East coast: 12, 18, 10, 8 Alaska: 15, 14, 13, 16 a)State null and alternative hypothesis b)Test Statistics c)P-value d) Conclusion
7. Assumptions of One-Way ANOVA are: randomness, dependence of errors, normality, and homogeneity of variance. Select one: True False
A random sample of 859 births included 435 boys. Use a 0.01 significance level to test the claim that 51.3% of newborn babies are boys. Do the results support the belief that 51.3% of newborn babies are boys? test statistic_____ pvalue_____
A medical researcher is working on a new treatment for a certain type of cancer. Theaverage survival time after diagnosis on the standard treatment is two years. In an earlytrial, she tries the new treatment on three subjects who have an average survival timeafter diagnosis of six years. Although the survival time has tripled, the results are notstatistically significant even at the 0.10 significance level. The explanation isA) the placebo effect is present, which limits statistical significance.B) the sample size is small.C) that although the survival time has doubled, in reality the actual increase is reallytwo years.D) the calculation was in error. The researchers forgot to include the sample size.
The TSA randomly swabs carryon bags to test for traces of explosives. Afterswabbing the luggage with a specially coated pad, it is inserted into a chemical analyzer whichdetermines the level of certain compounds. If the test comes back positive, the passenger issubject to additional screening steps, otherwise they are free to continue on. For bags that docontain prohibited explosive chemicals, the swab results are normally distributed with a meanof 10 and a standard deviation of 3. For bags that do not contain prohibited explosivechemicals, the swab result is normally distributed with a mean of 7 and a standard deviationof 4. The TSA sets the threshold of 8 – i.e. if the swab result is ≥ 8, the test is consideredpositive.a. What percentage of bags with explosives will be correctly identified using this cutoff?b. What percentage of bags which do not have explosive material will also be mistakenlyidentified as positive due to this cutoff?c. What percentage of bags with explosives will…

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