Suppose we are looking at the salary of teachers. We let u be the mean salary of a teacher. We wish to test that the mean salary is above $35,000, That is, we test HO: p0= $35,000 0 H1: p > $35,000 When we do the hypothesis test. we decide not to reject the null hypothesis. What type of error could we have made? O a. We could make either a Type I error or a Type Il error O b. Type I Error Oc Type III Error O d. We've made a correct decision Oe. Type II Error So

Suppose we are looking at the salary of teachers. We let u be the mean salary of a teacher. We wish to test that the mean salary is above $35,000, That is, we test HO: p0= $35,000 0 H1: p > $35,000 When we do the hypothesis test. we decide not to reject the null hypothesis. What type of error could we have made? O a. We could make either a Type I error or a Type Il error O b. Type I Error Oc Type III Error O d. We've made a correct decision Oe. Type II Error So

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Description: Suppose we are looking at the salary of teachers. We let u be the mean salary of a teacher. We wish to test that the mean salary is above $35,000. That is, we testHO: pO= $35,00 0H1: p > $35,000When we do the hypothesis test, we decide not to reject

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 baseball team claims that the mean length of its games is more than 1.6 hours. State Ho and H₂ in words and in symbols. Then determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed. Explain your reasoning. State the null hypothesis in words and in symbols. Choose the correct answer below. OA. The null hypothesis expressed in words is, "the mean length of a baseball team's games is 1.6 hours." The null hypothesis is expressed symbolically as, "Ho: p= 1.6." OB. The null hypothesis expressed in words is, "the mean length of a baseball team's games is at least 1.6 hours." The null hypothesis is expressed symbolically as, "Ho: 21.6." OC. The null hypothesis expressed in words is, "the mean length of a baseball team's games is not 1.6 hours." The null hypothesis is expressed symbolically as, "Ho: μ‡ 1.6." D. The null hypothesis expressed in words is, "the mean length of a baseball team's games is at most 1.6 hours." The null hypothesis is expressed…
A baseball team claims that the mean length of its games is 1.6 hours. State H0 and Ha in words and in symbols. Then determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed. Explain your reasoning. State the null hypothesis in words and in symbols. Choose the correct answer below. A. The null hypothesis expressed in words is, "the mean length of a baseball team's games is 1.6 hours." The null hypothesis is expressed symbolically as, "H0: μ=1.6." B. The null hypothesis expressed in words is, "the mean length of a baseball team's games is more than 1.6 hours." The null hypothesis is expressed symbolically as, "H0: μ≠1.6." C. The null hypothesis expressed in words is, "the mean length of a baseball team's games is at most 1.6 hours." The null hypothesis is expressed symbolically as, "H0: μ≤1.6." D. The null hypothesis expressed in words is, "the mean length of a baseball team's games is…
Q3. If the null hypothesis is not rejected when the null hypothesis is in error, what type of error, if any, has been made?
The standard error for is equal to 0.113. The test statistic for the hypothesis test specified in question 9 is equal to:
Suppose the null hypothesis, Ho, is: the mean age of the horses on a ranch is 6 years. What is the Type lI error in this scenario? Select the correct answer below: O O O O You think the mean age of the horses on a ranch is 6 years when, in fact, it is. You think the mean age of the horses on a ranch is 6 years when, in fact, it is not. You think the mean age of the horses is not 6 years when, in fact, it is. You think the mean age of the horses is not 6 years when, in fact, it is not.
Which of the following is not one of the four steps of the hypothesis test? A. State the level of significance, choose a test, and check the conditions for the test B. Make a decision to reject or not reject the null hypothesis C. State the null and alternative hypothesis about the population parameter D. All of the these are steps of the hypothesis test
D,e,f please help
can you answer A and B C
7. Question: The power of a test is measured by its capability of: a. Accepting a null hypothesis that is true. b. Rejecting a null hypothesis that is true. c. Rejecting the alternative hypothesis that is false. d. Rejecting a null hypothesis that is false. e. None of the mentioned.
A researcher wants to test whether there is a difference in test scores between two groups. Which hypothesis should be the null hypothesis? a. There is a difference in test scores between the two groups. Ob. There is no difference in test scores between the two groups. Oc. The test scores of the two groups are positively related. Od. The test scores of the two groups are negatively related.
Alex wonders if the same proportion of people are left-handed in the United States and Canada. He wants to obtain a random sample of people from each country to test if there is a significant difference between the proportion of left-handed people in each country. Which of the following is an appropriate set of hypotheses for Alex's significance test? Ho: pU.S. - pC = 0 Ha pU.S.-pC 0