State Voters SurveyedAlabamaMississippiO Ho: P₁Ha: P₁O Ho: P1Ha: P₁P₂ = 0P₂ #0P₂ > 0P₂ = 0809We want to determine whether or not the proportions of voters favoring the Democratic candidate were the same in both states. (Use Alabama - Mississippi.)(a) Provide the hypotheses.O Ho: P1 P₂20на: Р1 - P2 < 0Ho: P1P₂ <0Ha: P₁P₂ 20623Voters Favoring theDemocratic Candidate444373O Ho: P₁ P₂ #0Ha: P₁ P₂ = 0(b) Compute the test statistic. (Round your answer to three decimal places.)(c) Determine the p-value and, at a 0.05 level of significance, test the above hypotheses.We do not reject Ho. There is no significant difference.We do not reject Ho. There is a significant difference.O We reject Ho. There is no significant difference.We reject Ho. There is a significant difference.W

The test is to check whether or not the proportions of voters favouring the democratic candidate…

Answered: State Alabama Mississippi O Ho: P₁ Ha:…

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 asked participants if they liked vanilla ice cream, chocolate ice cream, both, or neither. Of those surveyed, 44% liked vanilla, 68% liked chocolate, and 19% liked neither. What percentage of the students liked both vanilla and chocolate? (1) 17% (3) 27% (2) 22% (4) 31%
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The number of passing and failing :students were as follows Number of Number of failing students passing students 30 70 Then 95% upper C.I for population :proportion of student failing P is اخترأحد الخیارات a. 0.39 O b. 0.61 O C. 0.21 O d, 0.79 O
A survey of 400 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Undergraduate Major Graduate School Business Engineering Other Total Yes 33 43 61 137 No 90 105 68 263 Total 123 148 129 400 What percentage of the students' undergraduate major is Engineering? a. 65.75% b. 520% c. 152% d. 37%
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A sample of Reese's pieces contains the following: 30 Orange, 40 Brown, 20 Yellow. What is the proportion of orange? Round to two places.
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The nonprofit group Public Agenda conducted telephone interviews with three randomly selected groups of parents of high-school children. There were 202 black parents, 202 Hispanic parents, and 201 white parents. The sample survey asked the parents to respond to the statement, "A college education has become as important as a high school diploma used to be." Here are the counts of responses: Strongly agree Somewhat agree Somewhat disagree Strongly disagree TOTAL Black parents 154 27 11 10 202 Hispanic White parents 144 37 13 8 202 parents 125 50 18 8 201 Write a brief report on the similarities or differences among the three groups of parents in their attitudes towards the importance of a college education. Include a graph or graphs and a test of significance.
Research Study: The following data collected lists the typing speed as measured by a standard typing test for 5 college students, along with the number of pages they had to type for their project. Instructions: Use the data collected to compute the values listed in Table#1. Use .05 significance. Research Data Collected: Student Chris Mary Paul Juan Marcelo Table #1 1. SP 9 2. r2 3. ΣΧ 4. ΣΥ 5. SSX 6. SSY 7. a 9. 8. b F ratio Number of pages typed 37 46 18 26 16 Typing speed 62 56 25 50 55 10. F critical (value from F table)
A movie club surveyed 250 high school students. The students were asked how often they go to the movies and whether they prefer comedies or dramas. Their responses are summarized in the following table. Twice a monthor less Three times a monthor more Comedy 85 35 Drama 100 30 (a) What percentage of the students prefer dramas ? (b) What percentage of the students go to the movies twice a month or less?
Social media is becoming more and more popular around the world. Suppose a website provides estimates of the number of social media users in various countries. Assume that the results for surveys in the United Kingdom, China, Russia, and the United States are as follows. Use Social Media Yes No United Kingdom 480 320 Country China Russia 235 265 343 Need Help? 357 O Ho: All population proportions are not equal. H₂: P₁ = P₂ = P3 = P4 Read It OHO: Not all population proportions are equal. Ha: P₁ = P₂ = P3 = P4 (a) Conduct a hypothesis test to determine whether the proportion of adults using social media is equal for all four countries. State the null and alternative hypotheses. O Ho: P₁ = P₂ = P3 = P4 H₂: Not all population proportions are equal. United States 620 380 Ho: P₁ = P₂ = P3 = P4 H: All population proportions are not equal. Find the value of the test statistic. (Round your answer to two decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value =…

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