A sample of 427 people is selected. The people are classified according to place of residence ("urban", "suburban", or "rural"). They are also classified accordingto highest educational degree earned ("no college degree", "two-year degree", "four-year degree", or "advanced degree"). The results are given in thecontingency table below.No college degreeTwo-year degreeFour-year degreeAdvanced degreeUrban34472948Suburban37253422Rural44293444What is the relative frequency of people in the sample whose place of residence is urban and who do not have a college degree?Round your answer to two decimal places.

Given : A sample of 427 people is selected. The people are classified according to place of…

Answered: A sample of 427 people is selected. 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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Businesses in a country are listed by size: small, medium, and large. Explain why business size is an example of a categorical variable. Choose the correct answer below. O A. The size of a business is categorical because it has numerical values that arise from a counting process. O B. The size of a business is categorical because it has numerical values that arise from a measuring process. O C. The size of a business is categorical because it has values that represent quantities. O D. The size of a business is categorical because it has values that can only be placed into categorias
by which criteria?
520 students from UC Berkeley are surveyed about whether they are from Northern California, Southern California, Central California, or from another state or country. A researcher is interested in seeing if the proportion of students from each of the four regions are all the same for all UC Berkeley students. The table below shows the outcome of the survey. Fill in the expected frequencies. Frequencies of UCB Students' Home Towns Outcome Frequency Expected Frequency Northern California Southern California Central California Out of State 189 152 170 1000
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
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%
Jessica Johnson is running for mayor of a small city in Florida. She needs at least 51% of the votes to win. Her campaign wanted to predict whether or not she’s going to win. She hires five people to ask 100 randomly selected voters if they will vote for her. The results are shown in the table. Should Jessica predict that she will win? Poll Number Yes Votes 1 51 2 68 3 58 4 43 5 65 Jessica should predict that she will ["", ""] because ["", "", ""]
The director of library services at a college did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by subject. The results are shown below. Subject Area Percent of Books on Subject in CirculationLibrary on This Subject Number of Books inSample on This Subject Business 32% 237 Humanities 25% 220 Natural Science 20% 223 Social Science 15% 128 All other subjects 8% 80 Using a 5% level of significance, test the claim that the subject distribution of books in the library fits the distribution of books checked out by students. (a) What is the level of significance?State the null and alternate hypotheses. H0: The distributions are the same.H1: The distributions are different.H0: The distributions are the same.H1: The distributions are the same. H0: The distributions are different.H1: The distributions are different.H0: The…
complaint and, if so, whether the complaint was medical or nonmedical in nature. After a year, a tally from these patients was collected to count number who left the HMO voluntarily. Here are the data on the total number in each group and the number who voluntarily left the HMO: No complaint Medical complaint Nonmedical complaint Total A certain health maintenance organization (HMO) wishes to study why patients leave the HMO. A SRS of 423 patients was taken. Data was collected on whether a patient had filed a 177 111 135 Left 64 27 50 If the null hypothesis is Ho : pı = P2 = P3 and using a = 0.05, then do the following: (a) Find the expected number of people with no complaint who leave the HMO: (b) Find the expected number of people with a medical complaint who leave the HMO: (c) Find the expected number of people with a nonmedical complaint who leave the HMO: (d) Find the test statistic: (e) Find the degrees of freedom: (f) Find the critical value: (g) The final conclusion is OA. We…
The director of library services at a college did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by subject. The results are shown below. Subject Area Percent of Books on Subject in CirculationLibrary on This Subject Number of Books inSample on This Subject Business 32% 259 Humanities 25% 223 Natural Science 20% 213 Social Science 15% 126 All other subjects 8% 67 Using a 5% level of significance, test the claim that the subject distribution of books in the library fits the distribution of books checked out by students. (a) What is the level of significance?State the null and alternate hypotheses. H0: The distributions are different.H1: The distributions are the same.H0: The distributions are the same.H1: The distributions are the same. H0: The distributions are different.H1: The distributions are different.H0: The…

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