Canvas Student ..llGuCSThis is aBlood pressurebefore6Researchers have conducted a study to determine if 30 minutes of country line dancing makes adifference in blood pressure. They use eight subjects with the before and after blood pressure scoreslisted below.85747104:57 PM68Blood pressureafter58463764tailed test.(2)Please analyze their results and perform hypothesis testing to make a conclusion. Calculate theeffect size. Use your answers to make choices for the following questions:51%See AnswerPchegg.comThe problem has been solved!You'll get a detailed solution from a subject matterexpert that helps you learn core concepts.

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Answered: Researchers have conducted a study to…

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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Please answer the following question below given the data and question instructions. Answer all parts!! And explain how you created the grpahs, got the results. Thank you.
A researcher is interested in examining whether people experience greater traumatic stress after a natural disaster (hurricane) or a man-made tragedy (terrorist attack). The researcher measured the stress of 10 people who experienced a hurricane and 10 people who experienced a terrorist attack. Stress was measured on a scale from 1-5, with higher scores indicating greater stress. Enter their data (see below) into SPSS and answer the following questions. Hurricane Terrorist Attack 3.6 3.0 2.2 3.2 3.6 4.7 2.4 4.7 2.2 4.4 1.0 4.2 1.7 2.0 2.2 3.6 2.7 4.6 1.7 4.4 Run an independent t-test ?
A second-grade teacher wants to compare scores on a reading assessment at the beginning of the year to scores on the same assessment at the end of the year. There are 28 in the class, and all students take both of the assessments. What is the degrees of freedom value for the paired-samples t test? a. 54 b. 55 c. 28 d. 27
You read that a study was conducted as a 3 x2 ANOVA. This study had how many independent variables? Question 12 options: 1 2 5 6
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…
A researcher plans to compare two treatment conditions by measuring one sample in treatment 1 and a second sample in treatment 2. The researcher then compares the scores for the two treatments and finds a difference between the two groups. Briefly explain how the difference may have been caused by the treatments. Briefly explain how the difference simply may be sampling error
The histogram describes the height of students in a math class. Is the data univariate or bivariate? Is the skewness left, right, or normal?
For each problem, you must state the hypotheses, calculate the test statistic, and explain your decision. The following table reports the relationship between class standing and political orientation for a random sample of 267 college students. a. The table is constructed assuming that class standing is the independent variable. Please add %s in the appropriate position (columns or rows) to describe the pattern of the relationship. b. Is there a statistically significant relationship between these variables?
A certain statistics instructor participates in triathlons. The accompanying table lists times (in minutes and seconds) he recorded while riding a bicycle for five laps through each mile of a 3-mile loop. Use a 0.05 significance level to test the claim that it takes the same time to ride each of the miles. Does one of the miles appear to have a hill? LOADING... Click the icon to view the data table of the riding times. Question content area bottom Part 1 Determine the null and alternative hypotheses. H0: ▼ mu 1 greater than mu 2 greater than mu 3μ1>μ2>μ3 mu 1 not equals mu 2 not equals mu 3μ1≠μ2≠μ3 Exactly two of the population means are different from each other.Exactly two of the population means are different from each other. At least one of the three population means is different from the others.At least one of the three population means is different from the others. mu 1 equals mu 2 equals mu 3μ1=μ2=μ3 H1: ▼ mu 1 greater than mu 2…
A researcher hypothesizes that different colors of cars result in different average speeds. To test this claim, she took a random sample of 20 people who own 4 different colors of colors of cars (n = 20, N = 80, G = 4), and she then tracks their average speed on the highway for a week of driving. The following ANOVA table has some of her results. Please help her answer her research questions by completing the following ANOVA table below and answering the follow-up questions. Be sure to label your answers with the appropriate letter and show all your work! Source Sums of Squares df Mean Square F Effect (between) Error (within) 100.90 ------ Total 170.10 ------- ------ a) What is the Sums of Squares (SS) between (effect)? b) What are the Mean Square (MS) between (effect) and the MS within (error)? c) What are the degrees of freedom (df) between, the df within, and the df total? d) What is the overall F-statistic? e) Based on the…
Determine whether the data set described below is a population or a sample. Explain your reasoning. A survey of 100 randomly selected students at Keller Graduate School of Management that found 15% of the students traveled more than 10 miles to get to campus
Two social scientists wanted to know if more violent crimes are committed when the temperature goes up. They measured the high temperature for each day during the year in Atlanta and compared the temperature for that day to the Police Department’s report for the number of violent crimes for that day. What statistical test should they use to analyze the data? a. Paired t-test b. Correlation c. One Way ANOVA d. Independent Samples t-test e. Chi Square Test of Independence

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