Listed below are the conference designations of teams that won a certain annual tournament, where N denotes ateam from conference N and A denotes a team from the other conference, conference A. Do the results suggestthat either conference is superior? Use the runs test with a significance level of a = 0.05.ΝΑΑΝΑΝΝΝΝΝΝΝΝΝΑΝΝΝΑΝΝΑΝΑΑΑΝΝΝΝΑΝΝΑΑΝΑΑΑΝΑ ΞDetermine the hypotheses. Choose the correct answer below.OA. Ho: At least some of the data are in a sequence that is not random.H₁: The data are in a random sequence.OB. Ho: The data are in a random sequence.iH₁: At least some of the data are in a sequence that is not random.BEOC. Ho: The data are in a random sequence.H₁: The data are in a sequence that is not random.OD. Ho: The data are in a sequence that is not random.H₁: The data are in a random sequence.A ____ght © 2022 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions | Contact Us11aTime Remaining: 03:53:32 NextC Listed below are the conference designations of teams that won a certain annual tournament, where N denotes a team from conference N and A denotes a team from the otherconference, conference A. Do the results suggest that either conference is superior? Use the runs test with a significance level of α = 0.05.ΝΑΑΝΑΝΝΝΝΝΝΝΝΝΑΝΝΝΑΝΝΑΝΑΑΑΝΝΝΝΑΝΝΑΑΝΑΑΑΝΑΞCompute the test statistic.(Type an integer or decimal rounded to two decimal places as needed.)Determine the P-value.(Type an integer or decimal rounded to three decimal places as needed.)Reach a decision.AHo. ThereDo the results suggest that either conference is superior?sufficient evidence to warrant rejection of the claim that the data are in a random sequence.OA. The runs test suggests that the sequence is random, and the teams have won an equal number of annual tournaments.Iam and frame from anforama Ahavan man of the annual

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Answered: Listed below are the conference…

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 survey was conducted to determine whether hours of sleep per night are independent of age. A sample of individuals was asked to indicate the number of hours of sleep per night with categorical options: fewer than 6 hours, 6 to 6.9 hours, 7 to 7.9 hours, and 8 hours or more. Later in the survey, the individuals were asked to indicate their age with categorical options: age 39 or younger and age 40 or older. Sample data follow. Age Group Hours of Sleep 39 or younger 40 or older Fewer than 6 38 36 6 to 6.9 60 57 7 to 7.9 76 74 8 or more 66 93 (a) Conduct a test of independence to determine whether hours of sleep are independent of age. (b) What is your estimate of the percentages of individuals who sleep fewer than 6 hours, 6 to 6.9 hours, 7 to 7.9 hours, and 8 hours or more per night?
2. Below is data on the number of vehicles involved in a fatal crash and city in California during 2019. City Single-ve Two-vehicle hicle crash fatalities Los Angeles 175 San Diego 61 San Jose San Francisco Fresno 49 22 33 Sacramento 28 Long Beach 26 crash fatalities 69 19 19 a 13 2. Is there enough evidence to support that the number of vehicles involved in a crash is related to the city in which the accident occur? null and alternate hypotheses test statistic, critical value and/or p-value expected counts reject or fail to reject the null hypothesis ● conclusion in plain English
If the alternate hypothesis states that u does not equal 4,000, what is the rejection region for the hypothesis test? Select one: a.Lower or left tail O b.Upper or right tail c.Both tails d.Center
To test the fairness of law enforcement in its area, a local citizens' group wants to know whether women and men are unequally likely to get speeding tickets. Four hundred randomly selected adults were phoned and asked whether or not they had been cited for speeding in the last year. Using the results in the following table and a 0.05 level of significance, test the claim of the citizens' group. Let men be Population 1 and let women be Population 2. Speeding Tickets Ticketed Not Ticketed Men 26 191 Women 10 173 Copy Data Step 2 of 3: Compute the value of the test statistic. Round your answer to two decimal places.
If N = 64, write the decision rules for a single-sample t test. Assume that the test is two-tailed and alpha is set a .05
Refer to the sample data for pre-employment drug screening shown below. If one of the subjects is randomly selected, what is the probability that the test result is a false positive? Who would suffer from a false positive result? Why? Pre-Employment Drug Screening Results Positive test result Negative test result Drug Use Is Indicated Drug Use Is Not Indicated Subject Uses Drugs 42 11 Subject Is Not a Drug User 2 29 The probability of a false positive test result is (Round to three decimal places as needed.) Who would suffer from a false positive result? Why? O A. The person tested would suffer because he or she would be suspected of using drugs when in reality he or she does not use drugs. B. The employer would suffer because the person tested would not be suspected of using drugs when in reality he or she does use drugs. C. The person tested would suffer because he or she would not be suspected of using drugs when in reality he or she does use drugs. D. The employer would suffer…
Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly selected, what is the probability that the subject is not lying? Is the result close to the probability of 0.462 for a negative test result? Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) Positive test results 10 46 Negative test results 37 11 The probability that a randomly selected polygraph test subject was not lying is: (Type an integer or decimal rounded to three decimal places as needed.) Is the result close to the probability, rounded to three decimal places, of 0.462 for a negative test result? because there is Va 0.050 absolute difference between the probability of a true response and the probability of a negative test result.
Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly selected, what is the probability that the subject is not lying? Is the result close to the probability of 0.443 for a negative test result? Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) O Positive test results 10 44 Negative test results 36 The probability that a randomly selected polygraph test subject was not lying is (Type an integer or decimal rounded to three decimal places as needed.) Is the result close to the probability, rounded to three decimal places, of 0.443 for a negative test result? because there is V a 0.050 absolute difference between the probability of a true response and the probability of a negative test result. Enter your answer in the answer box. Prise 6. LEGO
You intend to conduct a test of independence for a contingency table with 8 categories in the column variable and 4 categories in the row variable. You collect data from 1090 subjects.What are the degrees of freedom for the χ2 distribution for this test?d.f. =
last school year the student body of local univ. consisted of 24 percent of freshman 20 percent sophmore 32 percent junior and 18 percent seniors. A sample of 400 students taken from this year's student body showed the following number of students in each class freshman 113 sophmores 98 juniors 115 seniors 74 is there a significant change in the classifications between the last school year and this school year what is the expected number of sophmores? 104 128 98 72 96
The data below gives the lengths in millimeters of three varieties of the tropical flower Heliconia, which are fertilized by different species of hummingbird on the island of Dominica. Perform an Anova test to compare the means lengths of the flowers for the three species. H. bihai H. caribaea red H. caribaea yellow 46.8 37.8 34.5 46.4 37.4 35.7 46.9 38 35 47.4 38.9 36.5 48.4 38 36.7 48 41.5 36 50.2 41.9 37 i. State the null and alternative hypothesis j. Give the p-value k. Give a conclusion for the hypothesis test
A die is rolled 120 times to see if it is fair. The table below shows the frequencies for each of the six possible outcomes. Use a level of significance of αα = 0.05. Complete the rest of the table by filling in the expected frequencies (enter your answers in fraction form):Frequency of Dice Values Outcome Frequency Expected Frequency 1 18 2 17 3 25 4 15 5 26 6 19 What is the correct statistical test to use? What are the null and alternative hypotheses?H0:H0: The distribution of die rolls is uniform. The die rolls are dependent. The die rolls are independent. The distribution of die rolls is not uniform. H1:H1: The die rolls are dependent. The distribution of die rolls is uniform. The die rolls are independent. The distribution of die rolls is not uniform. The degrees of freedom = The test-statistic for this data = (Please show your answer to three decimal places.) The p-value for this sample = (Please show your answer to four…

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