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.
Security scans are often completed on computers in a particular college to assess the security risk from viruses etc. A sample of 120 computers which are considered at risk for viruses and other security issues are checked with a particular security scanner on a Monday and then monitored over the following week. The number of computers which broke down over the following week were recorded. The results are as follows: Security Scan (% Risk) Breakdown No Breakdown Low Risk (0 - 10%) 3 61 Slight/Moderate Risk (10 – 30%) 13 28 High Risk (>30%) 12 3 (i) Based on the above sample work out the probability that a computer in the college will breakdown. Input your answer correct to 4 decimal places here: (ii) Based on the above sample work out the probability that a computer has a low risk level OR doesn't breakdown. Input your answer correct to 4 decimal places here: (iii) Based on the above sample work out the probability that a computer has a high risk AND has a breakdown. Input your answer…
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!
1. A researcher was interested in understanding reproductive health among youth. She randomly selected a group of young persons and administered a questionnaire to collect information. Table 1 provides data on 10 respondents with their responses to selected questions. Respondent # How much of Gender a risk would Number of persons had sex with in the past months Frequency of Alcohol usage in the past 12 do you think you personally have of getting other STDS? 12 months (Risk of HIV) Moderate Risk Female No risk at all Little risk 1 Never Male Almost everyday Male Never Great risk Male Female 4 About once per week Once per month Almost everyday 1-3 drinks per month Moderate risk 6. No risk at all Female 1 7 Great Risk Male 3 8. No risk at all Female Never Little Risk No risk at all Female Male Almost every day About once per 9 10 month a. Refer to Table 1: Indicate the most appropriate measure of central tendency for each variable listed and give a reason for your choice. b. Suppose you…
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
Suppose we conducted an experiment to examining differences in watermelon weight (kg) between two types of watermelon plant (hybrid and non-hybrid) exposed to two different sunlight exposure (30%, 50%). Table below shows the recorded data. 30% 50% Hybrid Non-hybrid 1.6, 1.8, 1.5 2.9, 3.1, 2.8 1.4, 1.7, 1.2 2.2, 2.4, 2.2 1. What is the number of replications? 2. What is the experimental unit? 3. What is the response variable?
What is the name of the test used?
Three brands of reducing pill were tried on a sample of 8 female adults. The data are given on the following table in terms of weight loss in pounds. Reducing Pll Used B Respondent A 4.5 3.2 3.0 2 4.1 3.0 2.8 3 3.6 38 3.2 4 53 3.9 3.6 4.8 4.2 3.5 27 3.1 3.5 43 4.0 29 3.8 3.3 36 Test the bypothesis that there is no signilicant difference in the average weight loss in pounds among the three groups of respondents using the three brands of reducing pills at 0.01 level

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