The calculated value of x is higher than the table value. The hypothesis is rejected. Henceéducated fathers have intelligent boys.The results obtained in a sample survey of 200 TV viewers on the opinionabout TV programmes are given below :OpinionGenderEntertainingEducationWest of timeMale522830Female281250Is this evidence convincing that there is an association between gender and opinion ?

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Answered: The calculated value of x is higher…

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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Shoppers were asked about their regular grocery shopping locations. The table below shows the responses of the sampled shoppers. We are interested in determining if the proportions of females in the three categories are different from each other. Gender Grocerychain Discountstore Membership warehouse Total Female 230 80 100 410 Male 80 50 60 190 Total 310 130 160 600 Ho: p1 = p2 = p3 Test for the alternate hypothesis and choose the correct conclusion.
The table below summarizes data from a survey of a sample of women. Using a 0.05 significance level, and assuming that the sample sizes of 900 men and 300 women are predetermined, test the claim that the proportions of agree/disagree responses are the same for subjects interviewed by men and the subjects interviewed by women. Does it appear that the gender of the interviewer affected the responses of women? Gender of Interviewer Man Woman 591 260 Women who agree Women who disagree 309 40 Click here to view the chi-square distribution table. Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: The proportions of agree/disagree responses are the same for the subjects interviewed by men and the subjects interviewed by women. H: The proportions are different. O B. Ho: The proportions of agree/disagree responses are different for the subjects interviewed by men and the subjects interviewed by women. H,: The proportions are the same. O C. Ho: The response…
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The following table is from a publication. The individuals in the following table have an eye irritation, a nose irritation, or a throat irritation. They have only one of the three. Is there sufficient evidence to reject the hypothesis that the type of ear, nose, or throat irritation is independent of the age group at a level of significance equal to 0.05? Age (years) Type of Irritation 18-29 30-44 45-64 65 and Older Eye 423 562 343 65 Nose 925 1318 798 110 Throat 240 303 145 25 (a) Find the test statistic. (Round your answer to two decimal places.)(ii) Find the p-value. (Round your answer to four decimal places.)
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A statistician wishing to test a hypothesis that students score at least 75% on the final exam in an introductory statistics course decides to randomly select 20 students in the class and have them take the exam early. The average score of the students on the exam is 78%. The hypothesis the statistician wants to test is: a. H0: = 75 vs. Ha: > 78. b. H0: = 75 vs. Ha: > 75. c. H0: = 75 vs. Ha: = 78. d. H0: = 75 vs. Ha: < 75
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Suppose we wanted to see if there was a correlation between suspension and ethnicity. We have the following summary of data below. What statistical test would we use? Suspended Note Suspended Black 17 17 White 65 878 Group of answer choices No answer text provided. Chi-squared Z-test T-test
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The number of points held by a sample of the NHL’s highest scorers for both the Eastern Conference and the Western Conference is shown below. At 0.05 level of significance, can it be concluded that there is a difference in means based on these data? Eastern Conference 83 60 75 58 78 59 70 58 62 61 59 Western Conference 77 59 72 58 37 57 66 55 61

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