3. Which of the following sets of hypotheses is associated with a two-tailed test?Но: и < 12 На: ш< 12Но: и< 12 На: и> 12Но: и 3 12 На: д # 12all of the above are correct

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Answered: 3. Which of the following sets of…

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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13. The sign of the alternative hypothesis in a two-tailed test is always A. C. greater than D. less than equal B. not equal 14. This hypothesis states that there is no difference between population parameters and the hypothesized value. A. hypothesis B. alternative hypothesis C. null hypothesis D. two-tailed hypothesis 15. "The ratings given by male and female students with regard to the online teaching skills of their teachers is the same." This statemen example what kind of hypothesis? A. one-tailed hypothesis B. alternative hypothesis C. null hypothesis D. two-tailed hypothesis 16. "The use of social media as modern approach of advertising will increase the demand for a new product." This is an exam __hypothesis. A. Mean B. null C. alternative D. two-tailed 17. Which is the correct alternative hypothesis for one-tailed test? A. µ = 25 B. µ # 25 C.µ ≥ 25 D. p < 25 18. Mrs. Nazareth conducted a research on the preference of residents of Mayapa in choosing their venue for occasions.…
17. A student did not believe their teacher when they stated that students tend to make more mistakes on their homework when listening to music. The students gave 30 participants two tasks: one task was given while the participant performed simple math problems and gave a similar, but different set of math problems when not listening to music. The following is the mean of the difference scores for the two tasks MD=4 and an SEM=1.3 a. State the null and alternative hypothesesb. Perform a paired samples t test with the descriptive statisticsc. Is there a significant difference between the two conditions? Test using an alpha level of .05, using the direction of the test that is listed in the question. Use APA format in answering question.
3. State or specify the null and alternative hypotheses in the following (use complete statements, not symbols): f. A COA auditor wants to determine if the mean monthly "ayuda" to poor Dagupan residents during the pandemic is really P5,000 as published. a. Null Hypothesis, Ho: b. Alternative Hypothesis, Ha: g. In an experimental group of 250 individuals, half were given regular doses of aspirin while the other half were given placebos with no effects. Test the claim that the aspirin group has a significantly lower heart attack rate than the placebo group. a. Null Hypothesis, Ho: b. Alternative Hypothesis, Ha: h. Is there a significant difference in the level of audit practice of accountants in terms of type of corporation, whether privately-owned or government-owned? a. Null Hypothesis, Ho: b. Alternative Hypothesis, Ha: i. Are there significant differences in the degree of influence encountered by the employees when grouped according to status of appointment, whether contractual or…
Workers at a private business was given a grade (A, B, C) based on their yearly performance. Thedata was recorded along with the department they belong. The results obtained using MINITAB areshown below: a) Carefully define the null and alternative hypotheses of the ?2 test of the above table.b) Find the missing values ‘*’, ‘**’, ‘***’ ??, ??? c) What is the conclusion of this test? Give reasons for your answer.
Mr. Jones believes that the mean income of lawyers has changed and is no longer $65 thousand per year. Which is the correct set of hypotheses to test this belief? O Ho:µ 2 65,000; Ha: µ 65, 000 О Нор - 65, 000; На: и # 65, 000 О Нор 65, 000
14) A traffic-safety researcher is studying driver’s behavior (complete stop, coasting stop, ran stop sign) at a specific stop sign. The researcher would like to know if driver behavior depends on the type of vehicle (car, sport utility vehicle [SUV], pickup truck). a) What is the appropriate null and alternate hypothesis to determine if stop sign behavior depends on type of vehicle? b) The traffic-safety researcher observes 500 vehicles at the stop sign and records the two variables: the type of vehicle (car, sport utility vehicle [SUV], pickup truck) and the driver’s behavior at the stop sign (complete stop, coasting stop, ran stop sign). The data appears below. Use JMP software to test the hypothesis of part a). c) Using alpha= 0.05, draw a conclusion for the hypothesis test and state the conclusion in the context of the problem. SUV stop Car stop Car coast Car coast SUV coast Car stop Car coast Car coast Car stop Pickup coast Car coast Car ran Car…
A group of students estimated the length of one minute without reference to a watch or clock, and the times (seconds) are listed below. Use a 0.10 significance level to test the claim that these times are from a population with a mean equal to 60 seconds. Does it appear that students are reasonably good at estimating one minute? 88 47 76 52 30 68 71 75 54 73 80 101 101 72 What are the null and alternative hypotheses? В. Но: и260 seconds H:µ= 60 seconds A. Ho: µ= 60 seconds %3D H1: µ> 60 seconds С. Но н O D. Ho: µ= 60 seconds H: µ< 60 seconds = 60 seconds %3D H1: µ#60 seconds
18. A credit card company claims that the mean time the customers spend on hold is 3.5 minutes. An employee of this company believes that customers spend more than 3.5 minutes on hold. A random sample of n = 36 calls is selected and the mean time the customers in this sample spent on hold was 5.15 minutes. All conditions for inference were met and the p-value for the appropriate hypothesis test was 0.031. Which of the following statements is the best interpretation of the p-value? (A) There is a 0.031 probability that the alternative hypothesis is true. (B) There is a 0.031 probability that the null hypothesis is true. (C) If the null hypothesis is true, there is a 0.031 probability of finding convincing evidence that 5.15 minutes is greater than 3.5 minutes. (D) If the null hypothesis is true, the probability of finding convincing evidence that the null hypothesis is true is 0.031. (E) If the null hypothesis is true, the probability of observing a sample mean of at least 5.15 minutes…
q 8 in a in the boxes you choose from - first boxes - choices in a second photo - second boxes - between <, >, =, =/= thank you
If the researcher made a Type 2 error, which of the following best describes what the researcher found and what they should have found had they not made the error? a) The researcher found that the new stress task increases stress hormones but they should have found that the stress task does not lead to an increase in stress hormones. OR b) The researcher found that the new stress task does not lead to an increase in stress hormones but they should have found that the stress task does increase stress hormones.
Consider the experiment of rolling a pair of dice. Suppose that we are interested in the sum of the face values showing on the dice. Because each roll has six possible even values (2, 4, 6, 8, 10, and 12) and only five possible odd values (3, 5, 7, 9, and 11), the dice should show even values more often than odd values. Do you agree with this statement? Explain. This statement ---Select--- is is not correct because P(odd) = and P(even) =

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3. Which of the following sets of hypotheses is associated with a two-tailed test? Но: и < 12 На: ш< 12 Но: и< 12 На: и> 12 Но: и 3 12 На: д # 12 all of the above are correct