Use technology to construct the confidence intervals for the population variance of and the population standard deviation o. Assume the sample is taken from a normally distributed population.c=0.95, s= 37, n= 18The confidence interval for the population variance is ( )(Round to two decimal places as needed.)Help me solve thisView an exampleGet more help -Clear allCheType here to search99+LenovoXL-BTY10/05/17DeletePrtScInsertF12F10F11F8F9F7F5F6F4EscF2F3BackspaceF1&(23%2478.5+ I/团

We have given that, Sample size (n) = 18, confidence interval (c) = 0.95 or 95% and sample…

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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Use technology to construct the confidence intervals for the population variance o² and the population standard deviation o. Assume the sample is taken from a normally distributed population. c = 0.90, s² = 10.24, n = 29 The confidence interval for the population variance is (Round to two decimal places as needed.) The confidence interval for the population standard deviation is ( (Round to two decimal places as needed.)
Use technology to construct the confidence intervals for the population variance o2 and the population standard deviation o. Assume the sample is taken from a normally distributed population. c = 0.95, s2 = 15.21, n= 30 The confidence interval for the population variance is (Round to two decimal places as needed.) The confidence interval for the population standard deviation is (Round to two decimal places as needed.)
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= 0.99, s= 37, n 20 The confidence interval for the population variance is (Round to two decimal places as needed.) The confidence interval for the population standard deviation is (Round to two decimal places as needed.)
Confidence interval of the population mean is given by: X+2 x where X is the mean, s is the standard deviation and n is the sample size. Create a function called "summary" that lists mean, %15 trimmed mean and the 95% bounds of confidence interval for a random sample. Use the function to calculate the statistics for the given sample where x= (1200, NA, 1205, 1203, 1296,1304) 1. 2.
Lifetimes of Wristwatches A random sample of the lifetimes of 28 inexpensive wristwatches has a standard deviation of 4.6 months. Assume the variable is normally distributed. Use the chi-square distribution table to find any chi-square values to three decimal places. Round your final answers to one decimal place. Find the 98% confidence intervals for the variance and standard deviation
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 The confidence interval for the population variance is ( ☐, ☐ ). (Round to two decimal places as needed.)
Interstate Speeds It has been reported that the standard deviation of the speeds of drivers on Interstate 75 near Findlay, Ohio, is 8 miles per hour for all vehicles. A driver feels from experience that this is very low. A survey is conducted, and for 29 drivers the standard deviation is 9.9 miles per hour. At =α0.10, is the driver correct? Assume the variable is normally distributed. State the hypotheses and identify the claim with the correct hypothesis. H0: H1: Claim or Not a Claim? This Hypothesis test is one-tailed or two-tailed? What is the Critical Value?
Age of College Students Find the 90% confidence intervals for the variance and standard deviation of the ages of seniors at Oak Park College if a random sample of 20 students has a standard deviation of 2.2 years. Assume the variable is normally distributed. Use the chi-square distribution table to find any chi- square values to three decimal places. Round the final answers to one decimal place.
Find the F-test statistic to test the claim that the population variances are equal. Both distributions are normal. The standard deviation of the first sample is 2.44628.0027 is the standard deviation of the second sample.

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