4. Given are x = 35, µ = 38, s = 10, n = 20, Determine the statistical test tobe used.ールTest Statistic: Z ="Test Statistic: t =A.В.5. Given are x = 90, µ = 88, o = 6, n = 100. Find the value of z.A. 3.33B. - 3. 33

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Answered: 4. Given are x = 35, µ = 38, s = 10, n…

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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Calculate the average and standard deviations. Use Equation (6).
An old medical textbook states that the mean sodium level for healthy adults is 140 mEq per liter of blood. A medical researcher believes that, because of modern dietary habits, the mean sodium level for healthy adults, u, now differs from that given in the textbook. A random sample of 23 healthy adults is evaluated. The mean sodium level for the sample is 147 mEq per liter of blood. It is known that the population standard deviation of adult sodium levels is 14 mEq. Assume that the population is normally distributed. Can we conclude, at the 0.10 level of significance, that the population mean adult sodium level differs from that given in the textbook? Perform a two-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places, and round your responses as specified below. (If necessary, consult a list of formulas.) (a) State the null hypothesis H and the alternative hypothesis H₁. H₂:0 H₁ :0 (b) Determine the type of test statistic to…
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4. Given are x = 35, µ = 38, s = 10, n = 20, Determine the statistical test to %3D be used. x-u ール Test Statistic: Z =" Test Statistic: t = 4 A. В. 5. Given are x = 90, µ = 88, o = 6, n = 100. Find the value of z. А. 3.33 В. - 3. 33