You are hired to analyze the data and make a recommendation regarding the cancellation of this show for health purposes if average IQdecreases by over 5 points after viewing. Any conclusion you draw should be with 95% confidence and use the CRITICAL VALUE APPROACH.p You have reason to believe that the weekly viewing of Big Bang Theory (the television show, not the actual theory) will lower an individual's IQ.In February, seven test participants who had never watched the show were gathered, given an IQ test, subjected to weekly viewing of the showfor 12 weeks, then in May given another similar IQ test. Results are as follows. Sums of interest included = 47 and2Σ (d-a) ²= 29.429.ParticipantABCDEFGFeb921211158713299124IQ test resultMay8611811078125911154

Let be the population mean IQ score difference between February and May month.Given that,Sample…

Answered: You are hired to analyze the data and…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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You're a healthcare analytics professional working for Pawhuska, Oklahoma's fourth-largest hospital. You're examining the amount of waiting time that patients classified as ES5 (those with ailments that are not life-threatening) spend in the emergency room. You'll make some changes to emergency room procedures if you find that the mean ES5 waiting time is longer than 18 minutes, the industry standard. Based on a sample of 22 ES5 patients, you found an average and standard deviation of waiting times to be 19.2 minutes and 2.4 minutes, respectively. Draw basic conclusions with the CRITICAL VALUE APPROACH with 99% confidence. Р What is the probability that you conclude that no changes in the emergency room are needed when the actual waiting time for ES5 patients is 20 minutes?
Over the past several years, the proportion of one-person households has been increasing. The Census Bureau would like to test the hypothesis that the proportion of one-person exceeds 0.27. A random sample of 125 households found that 43 consisted of one person. The census bureau would like to set a = 0.05. Use the p-value approach to test this hypothesis. Explain.
Data are used either to test a hypothesis or to construct a confidence interval, but not both. Explain.
Zazil’s Instagram reels over the year have averaged around 70 likes per art reel with a standard deviation of 12. Since using trending music over her art reels, several of them have recently gone viral, averaging 120 likes with a standard deviation of 6. Zazil would like to know if adding trendy music over a reel increases her average likes. How do we use a Z-Test to test to calculate the data and determine if we reject or fail to reject the null hypothesis?
I need help finding the test statistic, p-value, and whether or not to reject the null hypothesis. Please explain each step as well as you can. Thank you very much!
The full question for the last question is written down below Fail/fail to reject H0. There is insufficient/sufficient evidence at the 10% level of significance to support the claim that there is a linear relationship between weight and number of hours slept.
Match to the appropriate answer. You will not use all options and you may not use each option more than once. Dummy variable Coefficient (beta) Correlation coefficient Heteroscedasticity p-value R² + Residual A. Used with categorical variable B. Lower value means statistical significance at a higher confidence level. C. When the distribution of residuals does change as the independent variable changes. D. Higher value means statistical significance at a higher confidence level. E. Difference between the predicted and observed values. F. When the distribution of residuals does not change as the independent variable changes. G. Min=-1, Max=1 H. Min-0, Max=1 1. Used to determine how much dependent variables changes if independent variable changed.
Professor Chase from the University of Kansas has been working on a new cholesterol medication that is being called CholestoCleaner. The university is now conducting studies to determine if there is a possible side effect of sore joints. Placebo (Population Rate) To help determine the usual rate of sore joints, the research team gave a placebo (sugar pill) to 2017 subjects. Of those 2017 subjects, 4 of them developed sore joints. CholestoCleaner Trial The CholestoCleaner drug was given to 2622 subjects. Of those 2622 subjects, 19 of them developed sore joints. Preliminary Math If we consider the general population of people that don't use CholestoCleaner, what is the probability that they will develop sore joints? (Enter your answer as a fraction.) If you had a sample size of 2622 that did NOT use CholestoCleaner, how many would expect to develop sore joints? When 2622 subjects DID use the drug, there were 19 subjects that developed sore joints. Does it seem as though sore joints…
The value of Beta with hat on top =2.8 is a statistic. True or false. Explain.
a critic points out that this 95 % confidence interval is only accurate if the statistic follows a normal distrubution , or if the normal model is a good approximation. is this true for this data? explain
For each scenario, indicate whether the parameter of interest is one proportion , a difference in two proportions , one mean (μ), a difference in means from separate samples , or the mean difference from matched pairs data, . Each answer can be selected once, more than once, or not at all. A tire manufacturer tested the braking performance of one of its tire models on a test track, interested in how tires perform under both wet and dry pavement conditions. The company tried the tires on 18 different car models, recording the stopping distance for half of them on wet pavement and the other half of dry pavement. Student Computing Services surveys a random sample of students to compare the percent of students that have PCs to the percent of students that have Macs. Married couples are asked about the number of hours of sleep they get each night. We want to see if husbands get more sleep than their wives. 36 of 75 patients receiving a treatment experienced pain relief, while only…
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You are hired to analyze the data and make a recommendation regarding the cancellation of this show for health purposes if average IQ decreases by over 5 points after viewing. Any conclusion you draw should be with 95% confidence and use the CRITICAL VALUE APPROACH.