During recent primary elections, the democratic presidential candidate showed the following pre-election voter support in Alabamaand Mississippi.Voters Favoring theDemocratic CandidateStateVoters SurveyedAlabama815456Mississippi610372We 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.Ho: P1 - P2 20Hg: P1- P2 < 0Ho: P1- P2 + 0H: P1 - P2 = 0Ho: P1 - P2 < 0Hai P - P2 20Họ: P1 - P2 = 0H: P1 - P2 * 0Ho: P - P2 > 0Hg: 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 H,. There is a significant difference.We reject Ho. There is no significant difference.We reject H,. There is a significant difference.

Answered: Image /qna-images/answer/4fccd330-6bc5-42c0-b669-ad462bc4b38b.jpg

Answered: During recent primary elections, the…

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 researcher is comparing the effectiveness of three devices designed to help people who snore. There are 210 people who snore participating in the experiment. Using a table of random digits starting from the first row and column, the researcher will randomly place the participants into three equally sized treatment groups suitable for comparison. Which number range would be needed to label the subjects correctly? O 0-2 O 1-3 O 000-210 O 001-210
According to a recent census, 14.3% of all housing units in a certain country are vacant. A county supervisor wonders if her county is different from this. She randomly selects 893 housing units in her county and finds that 162 of the housing units are vacant. Complete parts a through d below. a) State the hypotheses. Let the proportion of housing units in the county that are vacant be denoted by p. Choose the correct answer below. OA. Ho: p<0.143 HA: P = 0.143 O C. Ho: p=0.143 HA: P<0.143 OB. Ho: p=0.143 HA: P = 0.143 O D. Ho: p20.143 HA: P<0.143 b) Name the model and check appropriate conditions for a hypothesis test. What kind of test is this? Choose the correct answer below. Two-proportion t-test Difference in proportions test Proportional t-test O One-proportion z-test Check the appropriate conditions for a hypothesis test. Select the correct choice below and fill in the answer boxes within your choice. (Round to one decimal place as needed.) successes and nqo = than 10. OA. The…
The table below shows the results of a survey that asked 1044 adults from a certain country if they favored or opposed a tax to fund education. A person is selected at random. Complete parts (a) through (c). Support Oppose Unsure Total Males 151 319 13 483 Females 237 305 19 561 Total 388 624 32 1044
3
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You may need to use the appropriate technology to answer this question. A sample of 15 consumers provided the following product ratings for three different products. Five consumers were randomly assigned to test and rate each product. Product A BC 54 84 64 67 90 40 70 92 34 42 85 52 60 94 55 Use the Kruskal-Wallis test and a = 0.05 to determine whether there is a significant difference among the ratings for the products. State the null and alternative hypotheses. O H,: Median, + Median, + Median. H3: Median, = Mediang = Medianc O Ho: All populations of product ratings are identical. H: Not all populations of product ratings are identical. O Ho: Median, = Median, = Median. H: Median, Medianc O Ho: Not all populations of product ratings are identical. H: All populations of product ratings are identical. O Ho: Median, = Median, = Medianc H: Median, + Mediang # Median. Find the value of the test statistic. Find the p-value. (Round your answer to three decimal places.) p-value = State your…
A researcher recruits 20 female dogs and 20 male dogs (as well as their owners) at the local dog park. She takes a poll to find out who has passed and who has failed the puppy pre-school final exam. She learns that 14 female dogs have passed, and only 11 male dogs have passed. Which statistical test does she need to conduct to determine if female dogs are actually more likely than male dogs to pass the puppy pre-school final exam? Two-way factorial ANOVA Chi-square test of independence Point-biserial correlation Goodness-of-fit chi-square test
10
When taking a 18-question multiple-choice test, where each question has 4 possible answers, it would be unusual to get ______ or more questions correct by guessing alone.
A state official wants to know which party the voters in his state feel is best qualified to lead the country over the next 10 years. He mails a questionnaire on this subject to an SRS of 1600 voters in his state. His staff reports that 325 questionnaires have been returned, of these 241 respondents feel the Democratic Party is best qualified to lead the country over the next 10 years. Question: Please tell us: a) Population b) Sample

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