Use the given information to find the number of degrees of freedom, the critical values xf and xé, and the confidence interval estimate of o. It is reasonable toassume that a simple random sample has been selected from a population with a normal distribution.Platelet Counts of Women 98% confidence; n= 26, s= 65.3. Degrees ofFreedom0.9950.990.9750.950.900.100.050.0250.0010.0040.0162.7063.8415.02420.0100.0200.0510.1030.2114.6055.9917.37830.0720.1150.2160.3520.5846.2517.8159.34840.2070.2970.4840.7111.0647.7799.48811.14350.4120.5540.8311.1451.6109.23611.07112.83360.6760.8721.2371.6352.20410.64512.59214.44970.9891.2391.6902.1672.83312.01714.06716.0138.1.3441.6462.1802.7333.49013.36215.50717.53591.7352.0882.7003.3254.16814.68416.91919.023102.1562.5583.2473.9404.86515.98718.30720.483112.6033.0533.8164.5755.57817.27519.67521.920123.0743.5714.4045.2266.30418.54921.02623.337133.5654.1075.0095.8927.04219.81222.36224.736144.0754.6605.6296.5717.79021.06423.68526.119154.6015.2296.2627.2618.54722.30724.99627.488

Answered: Image /qna-images/answer/fa977982-6804-40c3-9ff3-78eadb7097fd.jpg

Answered: Use the given information to find 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 we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tα/2, (b) find the critical value zα/2, or (c) state that neither the normal distribution nor the t distribution applies. Here are summary statistics for randomly selected weights of newborn girls: n=289, x=29.7 hg, s=7.4 hg. The confidence level is 90%.
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tα/2, (b) find the critical value zα/2, or (c) state that neither the normal distribution nor the t distribution applies. Here are summary statistics for randomly selected weights of newborn girls: n=194, x=30.8 hg, s=7.8 hg. The confidence level is 95%.
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: Find the critical value tα/2 Find the critical value zα/2 State that neither the normal distribution nor the t distribution applies. The confidence level is 95%, σ is not known, and the histogram of 58 player salaries (in thousands of dollars) of football players on a team is as shown.
Use the t-distribution to find a confidence interval for a mean given the relevant sample results. Give the best point estimate for μ, the margin of error, and the confidence interval. Assume the results come from a random sample from a population that is approximately normally distributed. A 95% confidence interval for using the sample results x = 93.7, s = 7.3, and n = 42 Round your answer for the point estimate to one decimal place, and your answers for the margin of error and the confidence interval to two decimal places. point estimate = 93.7 margin of error = i The 95% confidence interval is i ! to i
Use the t-distribution to find a confidence interval for a mean μ given the relevant sample results. Give the best point estimate for μ, the margin of error, and the confidence interval. Assume the results come from a random sample from a population that is approximately normally distributed.A 99% confidence interval for μ using the sample results x¯=45.2, s=13.4, and n=10Round your answer for the point estimate to one decimal place, and your answers for the margin of error and the confidence interval to two decimal places.point estimate = 45.2 (already answered this part correctly)margin of error = 13.77 (already answered this part correctly)The 99% confidence interval is ________to_________ (Incorrectly answers attempted: 33.67 to 56.72, 34.26 to 56.14, 34.28 to 56.11 ) Hint provided: A confidence interval for a population mean μ can be computed based on a random sample of size n using x¯±t* multiplied by s over √ n where x¯ and s are the mean and standard deviation, respectively,…
Use the t-distribution to find a confidence interval for a mean μ given the relevant sample results. Give the best point estimate for μ, the margin of error, and the confidence interval. Assume the results come from a random sample from a population that is approximately normally distributed.A 90% confidence interval for μ using the sample results x¯=3.5, s=0.2, and n=100Round your answer for the point estimate to one decimal place, and your answers for the margin of error and the confidence interval to two decimal places.point estimate = margin of error = The 90% confidence interval is
Use the given information to find the number of degrees of freedom, the critical values x and x, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 95% confidence; n = = 22, s = 0.27 mg. %3D Click the icon to view the table of Chi-Square critical values. ..... df = |(Type a whole number.) x = [ (Round to three decimal places as needed.) (Round to three decimal places as needed.)
Use the t-distribution to find a confidence interval for a mean μ given the relevant sample results. Give the best point estimate for μ, the margin of error, and the confidence interval. Assume the results come from a random sample from a population that is approximately normally distributed.A 95% confidence interval for μ using the sample results x¯=90.2, s=8.5, and n=42Round your answer for the point estimate to one decimal place, and your answers for the margin of error and the confidence interval to two decimal places.point estimate = margin of error = The 95% confidence interval is___ to ____.
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tα/2,(b) find the critical value zα/2, or (c) state that neither the normal distribution nor the t distribution applies. Here are summary statistics for randomly selected weights of newborn girls: n=221, x=28.2 hg, s=6.3 hg. The confidence level is 95%. ta/2 = za/2 =
The random sample shown below was selected from a normal distribution Complete parts a and b.
Use the t-distribution to find a confidence interval for a mean μ given the relevant sample results. Give the best point estimate for μ, the margin of error, and the confidence interval. Assume the results come from a random sample from a population that is approximately normally distributed.A 99% confidence interval for μ using the sample results x¯=87.5, s=32.7, and n=15Round your answer for the point estimate to one decimal place, and your answers for the margin of error and the confidence interval to two decimal places.point estimate = margin of error = The 99% confidence interval is
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= 0.98, s = 39, n = 19 The confidence interval for the population variance is (Round to two decimal places as needed.)

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