If you reject H0 what conclusion can you draw? 1 NOne of these are correct conclusions 2 Your null hypotheses is proven 3 Your research hypotheses is proven correct 4 your null hypotheses is proven false

If you reject H0 what conclusion can you draw? 1 NOne of these are correct conclusions 2 Your null hypotheses is proven 3 Your research hypotheses is proven correct 4 your null hypotheses is proven false

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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10% of all Americans suffer from sleep apnea. A researcher suspects that a higher percentage of those who live in the inner city have sleep apnea. Of the 389 people from the inner city surveyed, 47 of them suffered from sleep apnea. What can be concluded at the level of significance of α= 0.01? b.The null and alternative hypotheses would be: Ho: (please enter a decimal) H1: (Please enter a decimal) c. The test statistic = (please show your answer to 3 decimal places.) d.The p-value = (Please show your answer to 4 decimal places.)
K For students who first enrolled in two-year public institutions in a recent semester, the proportion who earned a bachelor's degree within six years was 0.386. The president of a certain junior college believes that the proportion of students who enroll in her institution have a higher completion rate. (a) State the null and alternative hypotheses in words. (b) State the null and alternative hypotheses symbolically. (c) Explain what it would mean to make a Type I error. (d) Explain what it would mean to make a Type Il error. OB. Among students who first enroll in two-year public institutions, the completion rate is 0.386. C. Among students who enroll at the certain junior college, the completion rate is 0.386. O D. Among students who enroll at the certain junior college, the completion rate is less than 0.386. State the alternative hypothesis in words. Choose the correct answer below. A. Among students who enroll at the certain junior college, the completion rate is greater than…
Solve 6 a, b,c,d and e please
Questions 1 and 2: Set up the Null and Alternative hypotheses to test the following claims: 1. A health insurance company wants to determine if more than 25% of U.S. residents have been to a hospital emergency room within the past year. State the null and alternative hypotheses. H0: HA: 2. A company makes canned clam chowder (a delicious New England tradition). On the label, the company claims that the chowder contains (on average) 3.5 grams of Total Fat per serving. A consumer group would like to test this claim is true. State the null and alternative hypotheses that you would use to test if the mean amount of Total Fat per serving differs from 3.5 grams: H0: HA:
Questions 1 and 2: Set up the Null and Alternative hypotheses to test the following claims: 1. A health insurance company wants to determine if less than 25% of U.S. residents have been to a hospital emergency room within the past year. State the null and alternative hypotheses. H0: HA: 2. A company makes canned clam chowder (a delicious New England tradition). On the label, the company claims that the chowder contains (on average) 3.5 grams of Total Fat per serving. A consumer group would like to test this claim is true. State the null and alternative hypotheses that you would use to test if the mean amount of Total Fat per serving differs from 3.5 grams: H0: HA:
Let’s assume the average income for all majors in the School of Engineering is $80,000. However, the chair of the Computer Science department thinks their students earn more than that. Please choose the appropriate null and alternative hypotheses if the chair wanted to test this belief. a. H0: u <=80,000 Ha: u > 80,000 b. H0: u= 80000 Ha: u not= 80000 c. H0: u >80000 Ha: u < 80000 d. H0: u >80000 Ha: < 80000 e. None of the above.
Which of the following is NOT true about the hypotheses testing? 1 Atempts to disprove or falsify a hypotheses 2 Examines the data in relation to the opisite of the reseacrh 3 examines the data in relation to a spesfic quesion 4 Atempts to prove a hypotheses
11. The null and alternative hypotheses For each pair of hypotheses that follows, decide whether H₀ and H₁ are set up correctly as the null and alternative hypotheses for a hypothesis test. If so, select “Valid” from the drop down menu. If not, select “Invalid”. 1 H₀: μ = 76 2 H₀: M = 234 H₁: μ ≠ 76 H₁: M ≠ 234 Invalid 3 H₀: μ = 16 4 H₀: µ = 112 H₁: μ ≠ 16 H₁: µ ≠ 111 You evaluate the by assuming that it is true and testing the reasonableness of this assumption by calculating the probability of getting the results if chance alone is operating.
facing up. The student rolls the cube 100 times and lands with 6 facing up 20 times. The P-value for the test of the hypotheses, Hop-0.17 and H p>0.17, is 0.19. What is the correct conclusion given a=0.05? O Because the P-value is less than a=0.05, the student should reject Ho. O Because the P-value is less than a=0.05, the student should reject Ho. O Because the P-value is greater than a=0.05, the student should reject Ho: O Because the P-value is greater than a=0.05, the student should fail to reject Ho. Save and Exit Next Submit Mark this and return 23 $ & 3 4. 5 6. 7 8. y d f h k 60
10. The null and alternative hypotheses For each pair of hypotheses that follows, decide whether H₀ and H₁ are set up correctly as the null and alternative hypotheses for a hypothesis test. If so, select “Valid” from the drop down menu. If not, select “Invalid”. 1 H₀: M = 145 2 H₀: μ = 19 H₁: M ≠ 145 H₁: μ ≠ 19 3 H₀: μ = 324 4 H₀: µ = 59 H₁: μ ≠ 324 H₁: µ ≠ 66 You evaluate the by assuming that it is true and testing the reasonableness of this assumption by calculating the probability of getting the results if chance alone is operating.
You watch people exiting Dodgers stadium after a game and you write down the number of males and the number of females that exit the stadium past you during the 20 minutes that you spend watching. You assumed that there would be a perfectly equal number of males and females attending a Dodgers game, but you look at the number of males and females that you actually counted, and you see if you still think that is actually true. What kind of hypothesis test would allow you to do this? a. One-Factor, Independent-Measures ANOVA b. Two-Factor ANOVA c. Correlation/Regression d. Chi-Square Goodness of Fit
A professor claims that the average grade on the final examination in statistics is at least 85. You believe that the average is lower. The correct set of hypotheses to show the professor overstated the average grade on the final examination is _____.