Test the claim about the difference between two population means u, and µ, at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed.H1 SH2; a = 0.05. Assume o? #o?Sample statistics: X1 = 2403, s, = 171, n, = 15 andX2 = 2299, s2 = 55, n2 = 11Claim:Identify the null and alternative hypotheses. Choose the correct answer below.B. Ho: H1 2 H2Hại H1 H2O A. Ho: H1 = H2Ha: H1 # H2С. Но # 2Hai H1 = H2E. Ho: H1 H2Ha: H1 SH2Find the standardized test statistic t.t=(Round to two decimal places as needed.)Find the P-value.P =(Round to three decimal places as needed.)Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim.Ho. Thereenough evidence at the 5% level of significance to reject the claim.

Answered: Image /qna-images/answer/b0145a6d-26e0-4a1d-9ded-2e9d55f51f7e.jpg

Answered: Identify the null and alternative…

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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Answer quickly please. Need answer ASAP. Choose one letter only. No need for long explanation. 8. Let µ represent the population mean height of all adult American males between the ages of 18 and 21. You want to answer the question "Is the mean height for all adult American males between the ages of 18 and 21 now over 6 feet?" What are the appropriate null and alternative hypotheses to answer this question? A. Ho: X̄ = 6 vs. Ha: X̄ > 6 B. Ho: X̄ = 6 vs. Ha: X̄ ≠ 6 C. Ho: µ = 6 vs. Ha: µ > 6 D. Ho: µ > 6 vs. Ha: µ = 6 9. You were told that the 1st, 2nd, and 3rd quartiles of female students weight at a major university are 95 lbs, 125 lbs, and 138 lbs. What percentage of the students weigh between 95 and 138 Ibs? A. 25% B. 50% C. 75% D. 90% 10. In an assembly line, two inspectors correctly detect defective items with probabilities 0.90 and 0.91 respectively. Assuming their evaluations are independent of each other, what is the probability that the two inspectors will BOTH…
Scenario: 200 people were asked, “Who is your favorite superhero?” Below are the data. Test the null hypothesis that the population frequencies for each category are equal. α= .05. Iron Man Black Panther Wonder Woman Spiderman fo = 40 fo = 60 fo =55 fo = 45 fe = fe = fe = fe = What is the correct result based on the data?
Which confidence interval would lead you to Fail to Reject H0? Group of answer choices Test value: 10 Confidence Interval: 13.1 – 15.1 Test value: 5 Confidence Interval: 5.6 – 6.9 Test value: 5 Confidence Interval: 4.5 – 6.3 Test value: 10 Confidence Interval: 9.2 – 9.8
Construct the confidence interval for the population mean u. c = 0.90, x = 5.3, o = 0.8, and n= 54 A 90% confidence interval for u is ( D. (Round to two decimal places as needed.) Enter your answer in the edit fields and then click Check Answer. All parts showing Type here to search
State the null and alternative hypotheses for the statistical test described below. Testing to see if there is evidence that a proportion is greater than 0.3. :: µ2 :: p : P1 :: P2 :: 0.3 :: x1 :: :: x2 :: P1 : P2 el :: Ho: i vs Ha: :: ::
help solve attached, and following parts pertaining to attached image, all parts please. find test statisitic t find p value State the conclusion for the test. A. Reject the null hypothesis. There is not sufficient evidence to support the claim that the cans of diet soda have mean weights that are lower than the mean weight for the regular soda. Your answer is not correct. B.Fail to reject the null hypothesis. There is sufficient evidence to support the claim that the cans of diet soda have mean weights that are lower than the mean weight for the regular soda. C. Fail to reject the null hypothesis. There is not sufficient evidence to support the claim that the cans of diet soda have mean weights that are lower than the mean weight for the regular soda. D.Reject the null hypothesis. There is sufficient evidence to support the claim that the cans of diet soda have mean weights that are lower than the mean weight for the regular soda. b. Construct a confidence…
Need help on the last part
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p=0.6 versus H₁: p > 0.6 n = 200; x = 125; a = 0.05 Click here to view page 1 of the table. Click here to view page 2 of the table. Calculate the test statistic, Zo- Zo = (Round to two decimal places as needed.) Identify the P-value. P-value= (Round to three decimal places as needed.) Choose the correct result of the hypothesis test for the P-value approach below. OA: Reject the null hypothesis, because the P-value is greater than α. OB. Reject the null hypothesis, because the P-value is less than α. OC. Do not reject the null hypothesis, because the P-value is greater than α. O D. Do not reject the null hypothesis, because the P-value is less than a. #3 80 F3 E $ 4 000 F4 R % 5 F5 T MacBook Air < 6 F6 Y & 7 AA F7 U * 0 8 DII F8 ( 9 DD F9 C I 0
Scenario: 200 people were asked, “Who is your favorite superhero?” Below are the data. Test the null hypothesis that the population frequencies for each category are equal. α= .05. Iron Man Black Panther Wonder Woman Spiderman fo = 40 fo = 60 fo =55 fo = 45 fe = fe = fe = fe = Chi Square test statistic = ______ Group of answer choices
The null hypothesis and the alternate hypothesis are: H: The frequencies are equal. H₁: The frequencies are not equal. Category fe ABC D 15 10 10 15 a. State the decision rule, using the 0.05 significance level. (Round your answer to 3 decimal places.) Reject Ho if chi-square > b. Compute the value of chi-square. (Round your answer to 2 decimal place.) Chi-square value

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