A program administrator at a high school wanted to see if there was a significant association between experiencing verbalabuse and anxiety in teenage women. She wasn't sure what to expect. Perform the correct statistical procedure to assess thedegree of association between these variables and interpret your findings. Set alpha = .05 for your statistical test. YOU CANEITHER TYPE YOUR WORK OUT HERE OR TAKE A PICTURE OF HANDWRITTEN WORK AND EMAIL IT TO ME.%3DAnxietyVerbal Abuse5.4.4.

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Answered: A program administrator at a high…

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 researcher conducts an independent-measures study examining how the brain chemical serotonin is related to aggression. One sample of rats serves as a control group and receives a placebo that does not affect normal levels of serotonin. A second sample of rats receives a drug that lowers brain levels of serotonin. Then the researcher tests the animals by recording the number of aggressive responses each of the rats display. The data are as follows. Control Low Serotonin n = 15 n = 20 M = 18 M = 22 SS = 172.5 SS = 135.0 a. What research design was used to answer this question? b. What was the scale of measurement for the dependent variable? c. What was the scale of measurement for the independent variable? d. Does the drug have a significant effect on aggression? Use an alpha level of .05, two tails. e. Compute r2 and write an…
PLEASE SHOW YOUR WORK. I WANT TO BE ABLE TO DO THE PROBLEM MYSELF in a study of the relationship between personality and humor appreciation, Mobbs et al. (2005) measured two dimensions of personality, neuroticism and extroversion, in 17 healthy volunteers, scores along the personality dimensions were based on a 60-item, self-report questionnaire. Why is the association between these two personality dimensions? Subject Extroversion Neuroticism 1 43 49 2 46 53 3 48 67 4 48 57 5 48 56 6 50 48 7 51 60 8 51 41 9 53 51 10 58 47 11 62 41 12 63 51 13 63 30 14 63 28 15 67 55 16 67 47 17 67 39 a) plot the data in agraph b) what is the correlation coefficient in the data, and what it the most-plausible range of values for the population correlation? Use the 95% confidence interval. 1. What is the correlation coefficient for the association of extroversion and neuroticism in personalities.xls? 2. What is the value of Fisher's z-transforation of the correlation coefficient for the association of…
Please read the passage on Mercury Levels of Fish. And then, answer the questions carefully to get the correct answers.
Please read the article and answer the following question thank you
Answer the questions below. (a) In a survey, a soft drink company asks people to name as many brands of soft drinks as they can.Which measure gives the most frequently mentioned brand? Mean Median Mode (b) In Prof. Harris's class, the 9 students had the following scores on the last midterm: 127, 128, 130, 132, 133, 134, 135, 140, 189 .Which measure should be used to summarize the data? Mean Median Mode (c) In a survey, 9 people gave the following ratings for a local politician (on a scale of 0 to 100): 40, 42, 43, 44, 45, 46, 48, 49, 54 .Which measure should be used to summarize the data? Mean Median Mode
Identify the type of data that would be used to describe a response. Number of Mt. SAC students selected to go on a UCLA college campus tour. Qualitative Quantitative - Discrete O Quantitative - Continuous
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A study was done to assess the effectiveness of Acceptance and Commitment Therapy for people with generalized anxiety disorder. The reserachers wanted to know if the treatment decreased or increased the reported levels of anxiety. Six participants were measured before therapy, and after therapy. The dependent variable was the number of reported symptoms. They collected the following data: Patient Pre Post 1 21 15 2 24 15 3 21 17 4 26 20 5 32 17 Which statistical test should be used to measure this? Explain why you selected this test?
For each case below, state what type of statistical test you would use to analyze each dataset. Explain your answer! Hemoglobin is a protein responsible for carrying oxygen throughout your blood stream. Blood hemoglobin levels in humans average at about 14.5g/dL. We are interested in whether a sample of 20 iron deficient individuals have lower blood hemoglobin levels compared to the general population. The average hemoglobin level for our sample is 10.9g/dL, with an estimated population standard deviation of 1.92g/dL. A researcher is looking at whether the time it takes for rats to relearn how to run a maze decreases after they’ve been exposed to the maze more than once. Using 15 rats, he measures how quickly they are able to successfully run a maze at two different times points: once when they are first exposed to the maze, and again after they’ve run the maze three times. A social psychologist is curious about whether social rejection increases aggression in narcissists. He…
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