STATISTICAL ANALYSIS FOR IE 1TOPIC: ESTIMATION TWO POPULATIONSSHOW COMPLETE COMPUTATIONS IN HAND WRITTEN.THANK YOU 3. Supposethe current standard method. You decide to base this comparison on thetest given at the end of a learning period of six10 are taught by the newyou wish to compare a new method of teaching reading top "slow learners"toresults of a readingmonths. Of the random sample of 22 learners,method and 12 are taught by the standard method. All 22 studentstaught by qualified instructors under similar conditions for a six monthareperiod. Use thethe test scores for the new methoddata below to estimate the true mean difference betweenand the standard method. Use a 95%confidence interval.New methodStandard Method80807981796270687666717673768673708572687566 *

Answered: Image /qna-images/answer/5ad32dca-6af5-4934-878d-2e15534ee1f2.jpg

Answered: taught by qualified instructors under…

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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Subject: Psychological Statistics Topic: Performing T-test Instruction: Please follow the directions very carefully. Please refer or the picture given. Show your solution if necessary. Type only the solutions and formulas if necessary.
Please show working. do not use pictures A clinical trial is run to investigate the effectiveness of an experimental drug in reducing preterm delivery to a drug considered standard care and to a placebo. Pregnant women are enrolled and randomly assigned to receive either the experimental drug, the standard drug or a placebo. Women are followed through delivery and classified as delivering preterm (< 37 weeks) or not. The data are shown below. Preterm Delivery Experimental Drug Standard Drug Placebo Yes 15 23 40 No 83 79 67 Is there a statistically significant difference in the proportions of women delivering preterm among the three treatment groups? Run the test at a 5% level of significance.
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see picture for graphic and questions. Explanation The Cadet is a popular model of sport utility vehicle, known for its relatively high resale value. The bivariate data given below were taken from a sample of fifteen Cadets, each bought new two years ago, and each sold used within the past month. For each Cadet in the sample, we have listed both the mileage x (in thousands of miles) that the Cadet had on its odometer at the time it was sold used and the price y (in thousands of dollars) at which the Cadet was sold used. The least-squares regression line for these data has equation =y−41.67 - 0.49x. This line is shown in the scatter plot below.
Please submit the answer via a PDF document or Word document. **Dependent t-test** Use the following data and scenario to answer the questions. A dog trainer is interested in whether the type of environment (park or training facility) will influence how quickly dogs learn a new skill. The dog trainer obtained 40 dogs to participate in the training program. First the 40 dogs learned a new skill at the park and the dog trainer recorded how many hours it took for each dog to learn the new skill. Then the 40 dogs learned a new skill at the training facility and the dog trainer recorded how many hours it took for each dog to learn the new skill. Can we conclude that the type of environment significantly influences how quickly dogs learn a new skill? Alternative Hypothesis: The type of environment significantly influences how quickly dogs learn a new skill. Null Hypothesis: The type of environment will not significantly influence how quickly dogs learn a new skill. Use the following data…
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taught by qualified instructors under similar conditions for a six month are period. Use the the test scores for the new method data below to estimate the true mean difference between and the standard method. Use a 95% confidence interval.