Independent random samples were selected from two quantitative populations, with sample sizes, means, and variances given below.Population2Sample Size121121Sample Mean3.25.7Sample Variance9.8812.53Construct a 90% confidence interval for estimating the difference in the population means (u, - H,). (Round your answers to two decimal places.)3.2X to 5.7Construct a 99% confidence interval for estimating the difference in the population means. (Round your answers to two decimal places.)to

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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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"e this 1 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 95% confidence level. What does the confidence interval tell about the population of all college students in the state? 3.9, 2.9, 4.3, 4.7, 3.1, 3.9, 3.4, 4.4, 4.0, 4.4, 4.2, 3.5, 3.2, 4.1, 3.6 p E What is the confidence interval for the population mean µ? << ] (Round to two decimal places as needed.) C View an example R ما Get more help - A م - B كل 6 الكل N M hp '9 K الالالالا ــالــالــالك الالال O alt ( ... ) ctri < Clear all Check answer و -- به 611 6II FM 10/20/2022
W: 6.1 & 6.2 16 K Question 14, 6.1.35 Part 1 of 3 HW Score: 47.14%, 16.5 of 35 points O Points: 0 of 1 Save You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. If convenient, use technology to construct the confidence intervals. A random sample of 55 home theater systems has a mean price of $119.00. Assume the population standard deviation is $16.30. Construct a 90% confidence interval for the population mean. The 90% confidence interval is (D). (Round to two decimal places as needed.) e solve this View an example Get more help - sty cloudy N 40+ # Q Search % 0+ A 0 6 7 28 & 8 9 0 Clear all Delete Backspace Lock 10.00 PM 4372024 7 Home CO 6 PgUp
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[STATISTICS] How do you solve this? 95% confidence intervalThe data is given
You measure 30 watermelons' weights, and find they have a mean weight of 36 ounces. Assume the population standard deviation is 8.7 ounces. Based on this, construct a 99% confidence interval for the true population mean watermelon weight.Round your answers to two decimal places. __________< μ < __________
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Please only do on excel I will downrate your solution if you do in simple way only in excel I want
Take your time answer the questions, this is all one question, please answer correctly, thank you very much, will write an wonderful review when solutions are done.
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Independent random samples were selected from two quantitative populations, with sample sizes, means, and variances given below. Population Sample Size Sample Mean Sample Variance 1 36 9.5 8.81 2 47 7.5 14.82 Construct a 90% confidence interval for the difference in the population means. (Use #₁-₂. Round your answers to two decimal places.) to Construct a 99% confidence interval for the difference in the population means. (Round your answers to two decimal places.) to What does the phrase "90% confident" or "99% confident" mean? ○ In repeated sampling, 10% (or 1% as the case may be) of all intervals constructed in this manner will enclose ₁-₂. Hence, we are fairly certain that this particular interval contains #₁ H₂ ○ In repeated sampling, 90% (or 99% as the case may be) of all intervals constructed in this manner will enclose #₁ - #₂. Hence, we are fairly certain that this particular interval contains #₁ - M₂. O 90% (or 99% as the case may be) of all values from populations 1 and 2…

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