Explain why the null hypothesis H is equivalent to the null hypothesis Ho u, 20Choose the correct answer belowOA They are equivalent through algebraic manipulationOB They are equivalent because the null hypothesis, H is always assumed to be trueOC The vaue of p, is larger than u, in every population. Therefore, these hypotheses are equivalentOD By delinition the null hypothesis is always greater than 0 Therefore these hypotheses are equivalentsts

By algebraic manipulation, ?₁ ≥ ?₂ is same as ?₁ - ?₂ ≥ 0

Explaie why the null hypothesis Ho 2 is equivalent to the null hypothesis H , 0 Choose the cerrect answer below OA They are equivalent through algebraic manipulation OB They are equivalent because the null hypothesis, Ho is always assumed to be true. OC The value-of p, is larger than µ, in every population Therefore, these hypotheses are equivalent OD By deñniltion the null hypethesis is always greater than 0 Therefore these hypotheses are equivalent

Explaie why the null hypothesis Ho 2 is equivalent to the null hypothesis H , 0 Choose the cerrect answer below OA They are equivalent through algebraic manipulation OB They are equivalent because the null hypothesis, Ho is always assumed to be true. OC The value-of p, is larger than µ, in every population Therefore, these hypotheses are equivalent OD By deñniltion the null hypethesis is always greater than 0 Therefore these hypotheses are equivalent

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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The mean SAT score in mathematics, µ, is 539. The standard deviation of these scores is 39. A special preparation course claims that its graduates will score higher, on average, than the mean score 539. A random sample of 80 students completed the course, and their mean SAT score in mathematics was 544. At the 0.05 level of significance, can we conclude that the preparation course does what it claims? Assume that the standard deviation of the scores of course graduates is also 39. 圖 Perform a one-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places, and round your responses as specified in the table. (If necessary, consult a list of formulas.)
Show supporting work for each section identify the null hypothesis & alternative hypothesis identify the critical value(s) identify the rejection region identify the standardized test statistic z=decide whether to reject or fail to reject the null hypothesis
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The null hypothesis: H , :0 The alternative hypothesis: H :0 The type of test statistic: (Choose one) v The value of the test statistic: (Round to at least three decimal places.) The two critical values at the 0.05 level of significance: J and | (Round to at least three decimal places.) Can we support the claim that the life expectancy in Egypt is not equal to the life expectancy in Morocco? O Yes No
X https://ezto-cf-med X //ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252FI... A All menti # Question 1- Ch 9A X Test statistic a-2. Find the p-value. 3 In order to conduct a hypothesis test for the population proportion, you sample 400 observations that result in 140 successes. (You may find it useful to reference the appropriate table: z table or t table) '* He: p≥ 0.36; HA: P wwwmtalk. 144 ( 9 0 K f10 O ➤11 C Sign In or Sign Up | x | + ♡ O A P Help 112 Save & Exit L [ Check my work insert G Submit 4x prt sc backspa
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Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho:p = 0.2 versus H,:p>0.2 n= 200; x= 45, a = 0.01 Is npo (1-Po) 2 10? O No O Yes Use technology to find the P-value. P-value = (Round to three decimal places as needed.) the null hypothesis, because the P-value is than a.
left tail or right tailed or two tailed null or alternative greater than or equal to or not equal to or less than to reject or in support of reject or support alternative or null