Part A: This table gives the number of children and adults in a study who did andwho did not have an adverse reaction to a new vaccine.ChildrenAdultsTotalAdverse383371reactionNo adverse468217685reactionTotal506250756Question 1 (8 points)What is the response variable for this study?Answer: The response variable was : whether the adults orhad a adversereaction orBlank 1:Blank 2:US

We have to find out the response for this study.

Answered: Part A: This table gives the number of…

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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A reseacher is analyzing data from a repeated-measures research study. If the researcher ran a related samples/repeated measures t-test to analyze the data, what would the value of SS be for the analysis? Subject 1st 2nd #1 10 11 #2 4 6 #3 7 9 #4 6 5 A. 10 B. 1 C. 4 D. 6
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
Pain medications sometimes come with side effects. One side effect is dizziness. A researcher wanted to determine if some pain medications produced more or less dizziness than others. The results from his study are shown in the table below. Use a test to determine if the proportion of people within each treatment group who experienced dizziness are the same at the � = .01 level of significance. Tordol Placebo Naproxen Tylenol Advil Dizziness 83 32 36 5 8 No dizziness 4063 1832 1330 382 337 1) Determine the null and alternative hypotheses. Select the correct pair. ��:The proportion of people within each treatment group who experienced dizziness are independent��: The proportion of people within each treatment group who experienced dizziness are dependent ��: The proportion of people within each treatment group who experienced dizziness are the same��: The proportion of people within each treatment group who experienced dizziness are different 2) Determine the…
What is the value of SS for the following sample? 1,3,2,2?
Give me an example of a research scenario where you would use an independent samples t-test. You can set up a situation where there is an experimental group and a control group, or maybe you want to compare two other groups of people (parents and non-parents, gender, partnered and single, etc). Give us a summary of what you would want to study, who your sample participants would be, why an independent samples t-test would be the best fit, and what statistically significant results would mean. Don't forget to include your research and null hypotheses!
Last school year, the student body of a local university consisted of 35% freshmen, 24% sophomores, 26% juniors, and 15% seniors. A sample of 300 students taken from this year's student body showed the following number of students in each classification. Freshmen 90 Sophomores 60 Juniors 90 Seniors 60 We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year. The calculated value for the test statistic equals a. 0.5444 b. 2.789 c. 10.989 d. 15.231
What is the name of the test used?
Imagine a study comparing two groups: undergrad vs. graduate students in terms of stress level. You find that 100% of the graduate students in your study are men and 100% of your undergraduate students are women. What effect does knowing the gender distribution have on your research conclusions?
You want to find the prevalence of e-cigarette smoking is a given community. Which of these study designs would you use to test the hypothesis? Case-controlB. Cross-sectionalC. Cohort D. Experimental trials
A group of 100 people, who lived at varying distances (in kilometers) from an island nuclear power station, were asked if they thought a full evacuation of the area was required, when it went critical. The researches wanted to know if the opinion to evacuate or not depended on how far from the reactor people lived. Partial results of the questionnaire are shown in the table below. 0-3 km distance 3 -6 km distance 6 -9 km distance 9- 12 km distance Totals Evacuation needed X X X 51 Evacuation not X X XX needed Totals 28 28 23 XX XX You are doing a Chi Square test for independence. What is the expected value of the number of people living within a radius of 0-3 km who would say that evacuation was needed? XX denotes row/column totals. Give your answer to 2 decimal places.

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