The mayor of a town has proposed a plan for the annexation of a new community. A political study took a sample of 800 voters in the town and found that 71 % of theresidents favored annexation. Using the data, a political strategist wants to test the claim that the percentage of residents who favor annexation is over 67 %. Find thevalue of the test statistic. Round your answer to two decimal places.AnswerHow to enter your answer (opens in new window)TablesKeypadKeyboard Shortcuts

The objective of this question is to find the value of the test statistic for the claim that the…

Answered: The mayor of a town has proposed a plan…

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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According to a polling organization, 22% of adults in a large region consider themselves to be liberal. A survey asked 200 respondents to disclose their political philosophy: Conservative, Liberal, Moderate. Treat the results of the survey as a random sample of adults in this region. Do the survey results suggest the proportion is higher than that reported by the polling organization? Use an a = 0.01 level of significance. E Click the icon to view the survey results. Because npo (1- Po) =| > 10; the sample size is less than 5% of the population size, and the sample is given to be random, the requirements for testing the hypothesis satisfied. are (Round to one decimal place as needed.)
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An online university wants to invest in a new tutoring program. Before they make the commitment, the research team wants to know how many students enrolled in the university would actually use the tutoring program. They decided to conduct a survey to find out. The institution has 4,000 undergraduate students. Marshall surveyed 120 people in the drama club. What do you think of Marshall’s survey? Explain your answer. Morgan added a survey to the university’s website. Any student could click on the survey and fill it out. The survey was closed once the university received 300 responses. What do you think of Morgan’s survey? Explain your answer.
Imagine that you own a coffee shop in downtown Toronto. You think it's time to expand to a second location in a different part of the Greater Toronto Area. However, you need to make sure that the second location you have selected will be as popular with customers as your current location. You want to do a survey. You know you can't ask everyone, so you need to ask a sample. PART 1: What process should you follow to select your sample? choices are simple, systematic, stratified, and cluster sampling. PART 2: What is the best way to administer your survey to make sure you get enough responses to give you a good representative sample?
IDENTIFY if the following is: SURVEY,| EXPERIMENTATION, | OBSERVATION ____1A. The principal wants to know if the students of the school are academically good. So he SIT-IN in a class in Statistics and learned the levels of measurement and types of data collection. After the sit-in in the class, he wrote a report and submitted it to the higher ups. ____1B. A teacher wants to know if she is a good teacher so she conducted a FACE-FACE-INTERVIEW with the school alumni. After this, he tabulated the responses in favor of her.
In a multiple-choice test, there are three possible answers to each question. There are 10 questions in the exam. One point is given for the correct answer but nothing is deducted for the wrong answer. To pass the exam you must get at least 5 points. Sigmundur is very bad at the study material and therefore decides what the correct answer is in each question. What are the chances that Sigmundur will pass the exam? 1. about 2%. 2. about 7%. 3. about 14%. 4. about 21%.
The dotplot shows the distribution of passing rates for the bar exam at 185 law schools in the United States in a certain year. The five number summary is 27, 77, 87, 91, 99. Draw the boxplot and explain how you determined where the whiskers go. Click the icon to view.a dotplot of bar exam passing rates. Draw the boxplot. Select the correct answer below. OA. 0 100 Bar-Pass Rate (%) OB. Q G 100 Bar-Pass Rate (%) 0 Bar-Pass Rate (%) 100 O D. Q Q Q G 0 100 Bar-Pass Rate (%) Explain how you determined where the whiskers go. Select the correct answer below and fill in the answer boxes to complete your choice. (Type integers or decimals. Do not round.) OA. The whiskers extend to the minimum, and the maximum, OB. The whiskers identify the range of values that Q1 and Q3 will likely be found in for a given number of trials. The whiskers extend to the smallest expected value of Q1, expected value of Q3, OC. The whiskers extend to the most extreme values that are not potential outliers. The left…
Fewer than 91% of adults have a cell phone. In a reputable poll of 1191 adults, 86% said that they have a cell phone. Find the value of the test statistic. -6.03 -5.02 6.03 -7.56
63 students have an iPhone, 28 have android phones, and 22 have no cell phone. What percent of students have an iPhone? Round your answer to the nearest percent.
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Net Worth. The Board of Governors of the Federal Reserve System publishes information on family net worth in the Survey of Consumer Finances. In 2010, the mean net worth of families in the United States was $498.8 thousand and the median net worth was $77.3 thousand. Which measure of center do you think is more appropriate? Explain your answer.

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