Question 1: give the null and alternative hypothesis for this problem. The following four questions will be based on this problem. Themean of a population is assumed to be 12.1. However datasuggests the mean can be greater than 12.1. A sample of sizeof 50 from the population is considered. Assume a calculatedsample mean of 12.2 and standard deviation of 0.2. At the 5%significance level we will determine if the null hypothesisshould be rejected. Give the null and alternative hypothesisfor this problem.Null: Population mean is equal to 12.1, Alternative: Populationmean is less than 12.1O Null: Population mean is equal to 12.1, Alternative: Populationmean is greater than 12.1Null: Population mean is equal to 12.2, Alternative: Populationmean is less than 12.2Null: Population mean is equal to 12.2, Alternative: Populationmean is greater than 12.2

The random variable X follows normal distribution. The population mean is 12.1. We have to test…

Answered: The following four questions will be…

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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(a) State the null hypothesis Ho and the alternative hypothesis H. H, : p= 12.9 0. S H, uO 0.99 (d) Find the p-value. (Round to three or more decimal places.) (e) Can we support the claim that the population mean completion time under new management is less than 12.9 minutes? O Yes ONo
QUESTION 13 The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed and the parameter that is being tested. H0: p = 0.93 H 1: p> 0.93 O Left-tailed, O Left-tailed, p Right-tailed, p O Right-tailed, f
(a) State the null hypothesis H, and the alternative hypothesis H,. H, :0 H :0 (b) Determine the type of test statistic to use. (Choose one) ▼ O=0 OSO (c) Find the value of the test statistic. (Round to three or more decimal places.) O
Give the null and the alternative hypotheses for the following situations. You only need to set up the hypotheses in this part. Make sure to use the appropriate parameter symbol in the statement of the hypotheses: p or µ. The null and alternative hypothesis has been given for the first problem. 1. A coffee manufacturer sells jars of coffee supposedly filled with 10 ounces of coffee. The Consumer Fraud Bureau of a state has received numerous complaints that some of the jars contain less than the specified 10 ounces. The Bureau decides to investigate these complaints by sampling 100 jars. Does the data indicate that the coffee manufacturer can be accused of "short-changing" the customer? Use a 5% level of significance. Ho: Ha: 2. . In an ABC/Washington Post survey 855 randomly selected Americans listed gun control as an important issue in elections. Can ABC and the Washington Post claim that this survey provides sufficient evidence to say that a majority of Americans consider…
4) Discuss briefly the General linear Hypothesis (CLH) and one of its applications.
Question 22
QUESTION 10 Which of the following statements are true? O When the alternative hypothesis is H1: p p0, the null hypothesis H0 should be rejected if a is too far to the right of p0. O When the alternative hypothesis is H1 p not = p0, the null hypothesis H0 should be rejected if ; is too far to either side of p0. O All of the above statements are true O None of the above statements are true. IL
3
A certain hypothesis is tested by three similar experiments. These gave x² = 11-9 for v = 6, x² = 14-2 for v = 8 and x² = 18-3 for v= 11. 2 H Show that the three experiments together provide more justification for rejecting the hypothesis than any one experiment alone.
Question 6: A hypothesis test results in the rejection of the null hypothesis at significance level a=0.05. What is the result if the test is redone at significance level a=0.01, with all other test parameters remaining the same? (a) The null hypothesis is still rejected with a higher power value (b) The null hypothesis is still rejected with a lower power value (c) The null hypothesis may not be rejected with a higher power value (d) The null hypothesis may not be rejected with a lower power value
A. For each of the following pairs of null and alternative hypotheses, determine whether the pair would be appropriate for a hypothesis test. If a pair is deemed inappropriate, explain why. 1. Ho: μ ≥ 10, H1: μ 90, Η1: μ < 90 4. Ho: μ < 75, H1: μ = 85 5. Ho: μ= 58, H1: μ ≤ 58
Problem 2:Examine the relationship between amount of time spent studying for an exam (X) in hours andthe score that person makes on an exam (Y)X Y2 653 703 754 705 856 857 90 using spss Give the following:1. Null hypothesis2. Alternative hypothesis3. Statistical test4. Computation5. Decision6. Conclusion

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