A) find the critical value(s) round to 3 decimal places b) fins the standardized test statistic ( round 3 decimal places ) A personnel director in a particular state claims that the mean annual income is greater in one of the state's counties (county A) than it is in another county (county B). InCounty A, a random sample of 10 residents has a mean annual income of $41,900 and a standard deviation of $8700. In County B, a random sample of 2 residents has a meanannual income of $38,600 and a standard deviation of $5400. At a=0.10, answer parts (a) through (e). Assume the population variances are not equal. If convenient, usetechnology to solve the problem.Which is the correct claim below?A. "The mean annual income in county A is greater than in county B."OB. "The mean annual income in county A is less than in county B."OC. "The mean annual incomes in counties A and B are equal."OD. "The mean annual incomes in counties A and B are not equal."What are Ho and Ha?The null hypothesis, Ho, is ₁ SP2 The alternative hypothesis, Ha, is ₁ > ₂Which hypothesis is the claim?C2(b) Find the critical value(s) and identify the rejection region(s).Enter the critical value(s) below.The null hypothesis, HoThe alternative hypothesis, Haexample(Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.)F4$RGet more help .CF5%5DCTGDF66CYF7H&7NF8***U* 0088F9M09(9F10KClear allF11OPF12Check answerPrtSc

The given sample size for country A is 10, sample mean is $41,900 and a standard deviation of $8700.…

Answered: A) find the critical value(s) round to…

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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