A group of 500 Cal Poly Pomona students were asked to cast their votes regarding a particular issue of the Equal Rights Amendment. The following table shows the results of the votes:```+-------+-------+-----------+-------+-------+| Sex | Favor | Undecided | Oppose| TOTAL |+-------+-------+-----------+-------+-------+| Female| 180 | 80 | 40 | 300 || Male | 150 | 20 | 30 | 200 |+-------+-------+-----------+-------+-------+| TOTAL | 330 | 100 | 70 | 500 |+-------+-------+-----------+-------+-------+```Test to determine if the votes cast were independent of the sex of the individuals. Use a 0.05 level of significance. Show four steps to receive full credits.

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Answered: A group of 500 Cal Poly Pomona students…

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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C. In a sample of 993 recent car buyers, the participants are asked to identify the most useful source of information about the cars they purchase. The responses and their frequencies are listed in the table. Frequency Source Consumer guide Dealership 78 279 120 Word of mouth Internet 516 Based on this sample data, what percentage of car buyers have found either a dealership or the internet as the most useful source of information about the cars they purchase?
Identify the following measures as either quantitative or qualitative: a. The genders of the first 40 newborns in a hospital for one year. b. The natural hair color of 20 randomly selected fashion models. c. The ages of 20 randomly selected fashion models. d. The fuel economy in miles per gallon of 20 new cars purchased last month. e. The political affiliation of 500 randomly selected voters.
A survey of 12,073 adults in a particular country found that 47.9% received an influenza vaccine for a recent flu season. Identify the population and the sample. Identify the population for the given problem. Choose the correct answer below. A. The collection of immunization statuses of the 12,073 adults selected B. The collection of immunization statuses of all adults in the country C. The 12,073 adults selected D. All adults in the country Identify the sample for the given problem. Choose the correct answer below. A. The immunization status of all adults in the country B. The immunization status of the 12,073 adults selected C. All adults in the country D. The 12,073 adults selected
Suppose 500 people in the sample of 1,007 adults were women. Gallup asked these 500 women. "What is your favorite Summer Olympic event?" Thirty-five percent said swimming was their favorite. Gallup gave a margin of error for this result. A) ....Plus or minus 3 percentage points just as for the overall poll B)...greater than plus or minus 3 points becuase the sample for this question is smaller C)...less than plus or minus 3 points because the population of swimming fans is smaller than the population of all adults D)...Less than plus or minus 3 points becuase the sample for this question is smaller
2. State the type of sample being collected. The quality control officer at a manufacturing plant needs to determine what percentage of items in a batch are defective. The officer chooses every 15th batch off the line and counts the number of defective items in each chosen batch
1 The Blue Tide High School Student Committee has 5 members. They would like to conduct a survey to get the students’ opinion on the school’s new bell schedule. They asked 23 students’ representatives to distribute a questionnaire to the schools’ 1550 students. In the end, they received 750 responses. They wrote a report based on the information provided by the respondents. 2) which number represents the size of the sample?
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A survey of freshmen revealed the following information: •24 signed up for a math class. • 28 signed up for a biology class. •20 signed up for both biology and math. •2 signed up for neither biology nor math. How many freshmen in total were surveyed? 0 34 O Not enough information were given. O 54 O 74
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The table below shows the results of a survey in which 142 male and 145 female workers ages 25 to 64 were asked if they had at least one month's income set aside of emergencies.

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