Each month, the census bureau mails survey forms to 250,000 households asking questions about the people living in the household and about such things as motor vehicles and housing costs. Telephone calls are made to households that don't return the form. In one month, responses were obtained from 240,000 of the households contacted. The sample is:   a. the 240,000 households that responded.   b. the 250,000 households initially contacted.   c. the 10,000 households that did not respond.   d. all U.S. households.

Q: In a recent Gallup poll, pollsters randomly selected adults and asked them whether they smoke.…

A: Introduction There are 2 types sampling methods: Prob. methods Non-Prob. methods

Q: 1. The first sample shows the SAT math test scores for students whose parents are college graduates…

A: Step 1: let's estimate the 96% confidence level for the difference in mean SAT math test scores for…

Q: 7. A manner of collecting data by asking the participants questic indirectly. O A. Questionnaire O…

A: Types of Data collection methods:  1)Physiological or biological measurements 2)Observational…

Q: Identify the type of sample used in each proposed scenario. A. Simple Random B. Convenience C.…

A: D. systematic 1. She obtains an alphabetized list of all the residents in the 10 apartment buildings…

Q: A magazine identified the following five "maintenance" activities often performed by people as…

A: We have given the following data set 1,3,0,0,1,2,5,0,0,2,4,0,0,1,3,0,0,1,2,0,0,1,2,4,0,0,1,3,0,0

Q: The following monthly salaries for supervisors from six different counties were reported: $5456…

A: Introduction: The six reported salaries are $5456, $5166, $4443, $4129, $2600, and $2220.

Q: A survey was conducted to study the relationship between a college student's age and the value of…

A: We have given that  A survey was conducted to study the relationship between a college student's age…

Q: If a researcher wishing to draw a sample form sequentially numbered invoices uses a random starting…

A: Option D is the correct answer.

Q: A magazine identified the following five "maintenance" activities often performed by people as…

A: From the provided information, The frequency table can be constructed as: Number (x) Frequency…

Q: In a poll of 50,000 randomly selected college students, 74% answered "yes" when asked "Do you have a…

A: It is needed to identify the population and sample.

Q: A survey was conducted to study the relationship between the annual income of a family and the…

A: Given that n=280

Q: In 1941, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: We have given that For the survey taken in 1941 n1 = 1100x1 = 374p̂ = x1/n1 = 151/429 = 0.3520 And…

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: Bopulation proportion of 1943 adults who were total abstainers and p, represent the population…

A: Solution: Given N1=1100,  X1=429 N2=1100,  X2=374 (α)= 0.05

Q: Consider the following: at Bernhardt College, 200 (of the 3,000) students were polled and asked how…

A: From the given information, At Bernhardt College, 200 (of the 3,000) students were polled and asked…

Q: Each customer entering a department store will either buy or not buy some merchandise. An experiment…

A: We have given that  Each customer entering a department store will either buy or not buy some…

Q: Determine which Group Person Sample is being used in the following Scenarios.   Principal Fuller…

A: Here we want to know which sampling method is used .

Q: 3. A consumer testing agency wants to evaluate the claim made by a manufacturer of discount tires.…

A: Null hypothesis: Null hypothesis is the statement about parameter of population. Alternative…

Q: A Car Dealership survey asked 46 questions about a buyer's characteristics and interests. State…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Identify the sampling techniques used in each scenario. d. a candidate for the local school board…

A:

Q: In 1942 ​, an organization surveyed 1100   adults and​ asked, "Are you a total abstainer​ from, or…

A: The proportion of considered subjects, on which we are interested from a sample can be termed as…

Q: 03, 2020,

A: a. A sample will be the subset of population and population i the entire set under study.

Q: and 0.85? 6.5 The production employees at a garment factory have been surveyed several times to…

A: By Using the margin of error to calculate the required sample size

Q: One study of grand juries in Alameda County, California, compared the demographic characteristics of…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Suppose you want to choose a sample of 50 students from a school of 400. Explain why the following…

A: Given data suppose you want to choose a sample of 50 students from a school of 400

Q: In 1945, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Let, X1= number of abstainer in the previous test n1= total sample size of the past test p1^ =…

Q: In a statistical study, the sample is a. The group of people or objects for which conclusions are to…

A: We know that a population is an entire group of objects which we want to study but the size of the…

Q: In 1944​, an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

A: We habe to find given proportion.

Q: Read all three questions and please give a thorough easy-to-understand explanation. 1. Petra is…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: 1. ESP: For several years, the U.S. General Social Survey asked subjects, "How often have you felt…

A: The population of interest in this case is the group of people who have an opinion on whether they…

Q: Consider the numbers 7, 6, 10, 7, 5, 9, 3, 7, 5, and 13 in the sample data. Look for the following:…

A: Data  7, 6, 10, 7, 5, 9, 3, 7, 5, and 13  we want to find GM,HM and Midrange.

Q: During 2001, Campbell Soup Foundation provided the following amounts in grants: Camden, NJ.,…

A:

Q: . Construct a frequency distribution table. : A survey was taken on Andres Bonifacio Avenue. In…

A:

Q: The following data includes the year, make, model, mileage (in thousands of miles) and asking price…

A: Given : From given data set ; The mile age and price : mile age Price 20 26900 21 23000 33…

Q: Use the Venn diagram to identify the population and the sample. Incomes of Adults in New Jersey…

A: If all units in a group are included in a study to make conclusion about the group, then it is…

Q: A magazine identified the following five "maintenance" activities often performed by people as…

A: Here Given  A magazine identified the following five "maintenance" activities often performed by…

Q: A coach is interested in how many slam dunks the average college seniors at his university can do.…

A: a)  Sample :- Ten volunteers from the senior class of the university

Q: A magazine identified the following five "maintenance" activities often performed by people as…

A: