Question 23.83.04.04.83.04.23.54.74.44.24.33.83.34.03.8Above are student evaluation ratings of courses in a university in Malaysia, where a rating of5 is for "excellent.". Use a 90% confidence level. What does the confidence interval tell usabout the population of students in Malaysia?

We have given that data First we want to find mean and standard deviation . Then find 90%…

Answered: 3.8 3.0 4.0 4.8 3.0 4.2 3.5 4.7 4.4 4.2…

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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In your local high school, a random sample of 10 high school seniors participated in a course to increase their knowledge of healthy living activities. The students were given a knowledge quiz before and after the program. The scores are listed below. Calculate a two-sided 95% confidence interval for the mean difference in the scores. Give an interpretation of the confidence interval. You MUST show your work Student Before After 1 65 70 2 55 71 3 72 68 4 49 65 5 71 89 6 89 95 7 90 99 8 85 82 9 75 84 10 78 76
Report an appropriate hypothesis test for a positive linear relationship and use a 5% significance level. Explain the potential error in words, in context. In the answer options below I have used the phrase “a certain relationship” because I don’t want to give away exactly what type of relationship it is. Group of answer choices We would be accepting that there was a certain relationship between Sale amount and Tip when actually there wasn’t. We would not be accepting that there was a certain relationship between Sale amount and Tip when indeed there wasn’t. We would not be accepting that there was a certain relationship between Sale amount and Tip when actually there was. We would be accepting that there was a certain relationship between Sale amount and Tip when indeed there was.
A random sample of 12 cats was collected to study the lifespan with the data listed below. Find the 87% confidence interval for the population mean. Round all values to two decimals. 13, 15, 18, 16, 8, 12, 13, 15, 8, 13, 12, 11. Provide your answer below.
Please answer the question in the photo
You are interested in finding a 95% confidence interval for the mean number of visits for physical therapy patients. The data below show the number of visits for 12 randomly selected physical therapy patients. Round answers to 3 decimal places where possible.
K Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The ratings were obtained at one university in a state. Construct a confidence interval using a 90% confidence level. What does the confidence interval tell about the population of all college students in the state? 3.8, 3.0, 4.2, 4.8, 2.8, 4.2, 3.4, 4.8, 4.7, 4.1, 4.5, 3.7, 3.1, 3.9, 4.0 this 2 W S View an example X H hand What is the confidence interval for the population mean μ? << (Round to two decimal places as needed.) #3 80 P3 E D C Get more help - $ 4 888 FA R F % 5 V T FS G MacBook Air B F6 Y H & 7 N с *** J 00* 8 FB I M 9 F9 H Clear all L F10 888 P command Check answer { L [ alt option (0) ? } 1 delete
Explain also how you use Z table ..
View both photos attached and answer the question below. Estimate the net sale in future promotions, 95% confidence intervals for the population means were constructed. See output below. Explain and compare the confidence interval for net sales for Promotional and Regular customers. Make sure to clearly describe the confidence intervals in the context of the problem.
The figure to the right shows the results of a survey in which 2000 college graduates from the year 2016 were asked questions about employment. Construct 99% confidence intervals for the population proportion of college students who gave each response. Employment College students' responses to questions about employment Expect to stay at first employer for 3 or more years Completed an apprenticeship or intemship 70% 66% Employed in field of study 61% Feel underemployed 46% Prefer to work for a large company 15% The 99% confidence interval for the proportion of college students that expect to stay at their first employer for 3 or more years is (Round to three decimal places as needed.)
The figure to the right shows the results of a survey in which 2000 college graduates from the year 2016 were asked questions about employment. Construct 99% confidence intervals for the population proportion of college students who gave each response. Employment College students' responses to questions about employment Expect to stay at first employer for 3 or more years Completed an apprenticeship or internship 70% 66% Employed in field of study 61% Feel underemployed 46% Prefer to work for a large company 15% The 9970 Conuenit initivaliui int proportion un cuiityt diuutid inal txptul iu diay al ineli idi empivyti iui j'ui muit years is (0.01, 0.121). (Round to three decimal places as needed.) The 99% confidence interval for the proportion of college students that have completed an apprenticeship or internship is (J.). (Round to three decimal places as needed.)
PLEASE ELABORATE MORE The data set below shows the amount of trash generated by ten households (in pounds per day). Assume that the population is normally distributed. 3:9 4:6 15:6 10:5 16:0 6:7 12:0 9:2 13:8 16:8 (a) Construct a 95% confidence interval for the mean based on the sample. (b) Construct a 90% confidence interval for the mean. (c) Construct an 80% confidence interval for the mean.
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3.8 3.0 4.0 4.8 3.0 4.2 3.5 4.7 4.4 4.2 4.3 3.8 3.3 4.0 3.8 Above are student evaluation ratings of courses in a university in Malaysia, where a rating of 5 is for "excellent.". Use a 90% confidence level. What does the confidence interval tell us about the population of students in Malaysia?