Use technology to construct the confidence intervals for the population variance o² and the population standard deviation σ. Assume the sample is taken from a normally distributed population.c=0.90, s² = 21.16, n = 29

From the question, we have the following given values:Confidence level (c) = 0.90Sample variance…

Answered: Use technology to construct the…

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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Assume that a sample is used to estimate a population mean μμ. Find the 99.5% confidence interval for a sample of size 22 with a mean of 73.6 and a standard deviation of 19.8. Enter your answer accurate to one decimal place.I am 99.5% confident that the mean μμ is between ______ and _____. Fill in the blanks.
Use technology to construct the confidence intervals for the population variance o? and the population standard deviation o. Assume the sample is taken from a normally distributed population. c= 0.90, s? = 21.16, n= 25 The confidence interval for the population variance is (Round to two decimal places as needed.)
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A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Men Women μ μ1 μ2 n 11 59 x 97.54°F 97.46°F s 0.95°F 0.63°F Question content area bottom Part 1 a. Use a 0.01 significance level to test the claim that men have a higher mean body temperature than women. What are the null and alternative hypotheses? A. H0: μ1=μ2 H1: μ1≠μ2 B. H0: μ1≠μ2 H1: μ1<μ2 C. H0: μ1=μ2 H1: μ1>μ2 Your answer is correct. D. H0: μ1≥μ2 H1: μ1<μ2 Part 2 The test statistic, t, is 0.270.27. (Round to two decimal places as needed.) Part 3 The P-value is enter your response here. (Round to three decimal places as…
Use technology to construct the confidence intervals for the population variance σ2 and the population standard deviation σ.Assume the sample is taken from a normally distributed population. c=0.95, s=39, n= 15
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Use technology to construct the confidence intervals for the population variance o² and the population standard deviation σ. Assume the sample is taken from a normally distributed population. c=0.90, s² = 21.16, n = 29