Solve each problem completely. Show your solution and write your final answers incomplete sentences.Problem 1Ms. Lopez wants to see if there is a significant difference between the scores on themathematics test of two groups of students (N=20). Each group was given a test. The scoresof the two groups are presented in the table below. The data were assumed to be normallydistributed. Help Ms. Lopez determine the most appropriate statistical test to compare thetwo groups. Perform the statistical analysis and a step-by-step solution to the spaceprovided below.Group AGroup B1220101181812141722112417231211191513

Answered: Solve each problem completely. Show…

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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Lianna would like to find out if a new type of therapy works. She recruits 15 patients with phobias and measures their phobia scores. Then, she gives them the therapy for 2 weeks. At the end of 2 weeks, she measures their phobia scores again. What test should Lianna use to examine her data? A. Paired samples t-test B. b. Single sample t-test C. Independent samples t-test D. z-test
PLEASE ANSWER THIS USING YOUR OWN ANSWERS. DO NOT COPY ON INTERNET. IF YOU SEE THIS QUESTION AGAIN, DO NOT ANSWER. IF YOU ANSWER THIS IN TYPEWRITTEN, COMPLETE, CORRECT, AND IN ORIGINAL WAY, I WILL UPVOTE. THANK YOU!
Please select between the two options and answer question 6
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Samantha took an exam in her statistics class and received 90 out of 100. Samantha thought that was a good score, but she wanted to know how high her score was in relation to the rest of the class. Her professor said her Z-score was -0.29. How should Samantha interpret her Z-score? a. Samantha’s score is 0.29 points above the class mean.b. Samantha’s score is 29% above than the class mean.c. Samantha’s score is 0.29 standard deviations above the class mean.d. Samantha’s score is 0.29 standard deviations below the class mean.
For each vignette, choose the type of research that is being conducted. There is only one correct answer for each vignette. Here are your answer choices for questions 1-18 Case Study Naturalistic Observation Laboratory Observation Survey Correlation Test Experiment Longitudinal Design Cross Section Cross Sequential Design Maria wants to understand the political demographics in her community, so she creates a questionnaire asking people to identify their age, gender, political affiliation, religion and marital status. After Maria collects the abovementioned data (in question #12), she then identifies the relationships between religion and political affiliation. Kathi…
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PLEASE HELP SOLVE THE PROBLEM BELOW A candy manufacturer selects mints at random from the production line and weighs them. For one week, the day shift weighed n1 = 194 mints and the night shift weighed n2 = 162 mints. The numbers of these mints that weighed at most 21 grams was y1 = 28 for the day shift and y2 = 11 for the night shift. Let p1 and p2 denote the proportions of mints that weigh at most 21 grams for the day and night shifts, respectively. Give a point estimate of p1 Give the 95% confidence interval for p1 Give a point estimate of p1 − p2 Find the 95% confidence interval for p1 − p2
Imagine you work for a psychological testing agenccy and you have been assigned the role of analyzing the data. The experiment involves testing 4 different drugs in treating 20 asthma patients. They were each asked to take the 4 different drugs in 4 different weeks and record how many attacks they had while taking each drug per week. Explain one challenge you may experience with this experiment?
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