Pretend it is almost election time in 2040. You are on the reelection staff of President Adrian Miller. It is October 15, and Election Day (November 6) is approaching quickly. Your job is to analyze the results of polls conducted by five different companies and report the results to President Miller. PollDateSample SizeResult (Percent planning to vote for Miller)WeightCalculationsPoll 1October 12,43553%.40 Poll 2September 141,30042%.05 Poll 3July 550055%.05 Poll 4October 71,00060%.10 Poll 5October 102,00045%.40 Examine the weight given to each poll. Which polls are the most reliable and which polls are the least reliable? Explain your reasoning.

From the given information, Poll Sample size Result Weight Poll 1 2435 53% 0.4 Poll 2 1300…

Pretend it is almost election time in 2040. You are on the reelection staff of President Adrian Miller. It is October 15, and Election Day (November 6) is approaching quickly. Your job is to analyze the results of polls conducted by five different companies and report the results to President Miller. Poll Date Sample Size Result (Percent planning t

Pretend it is almost election time in 2040. You are on the reelection staff of President Adrian Miller. It is October 15, and Election Day (November 6) is approaching quickly. Your job is to analyze the results of polls conducted by five different companies and report the results to President Miller. Poll Date Sample Size Result (Percent planning t

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 1C

See similar textbooks

Poll	Date	Sample Size	Result (Percent planning to vote for Miller)	Weight
Poll 1	October 1	2,435	53%	.40
Poll 2	September 14	1,300	42%	.05
Poll 3	July 5	500	55%	.05
Poll 4	October 7	1,000	60%	.10
Poll 5	October 10	2,000	45%	.40

Similar questions

Suppose that a polling organization surveys n = 400 people about whether they think the federal government should give financial aid to the airlines to help them avoid bankruptcy. In the poll,300 people say that the government should provide aid to the airlines. Which choices give the correct notation and value for the sample proportion in this survey?
Although airline schedules and cost are important factors for business travelers when choosing an airline carrier, a uSa today survey found that business travelers list an airline’sfrequent flyer program as the most important factor. From a sample of n = 1993 businesstravelers who responded to the survey, 618 listed a frequent flyer program as the most important factor.a. What is the point estimate of the proportion of the population of business travelerswho believe a frequent flyer program is the most important factor when choosing anairline carrier?b. Develop a 95% confidence interval estimate of the population proportion.c. How large a sample would be required to report the margin of error of .01 at 95%confidence? Would you recommend that uSa today attempt to provide this degreeof precision? Why or why not?
Is there enough evidence to support the political scientist's claim that the proportion of college students who say they're interested in their district's election results is more than 75%?
Find the number of respondents needed in a poll to determine, within 1.5% margin of error, the percentage of US adults that prefer divided government. Use 90% confidence, and assume about 32% of US adults prefer divided government
An event marketing executive thinks that the proportion of consumers who have seen his company’s advertising in newspapers is somewhere between 65 and 85 percent. He wants to estimate the consumer population proportion to within ± 1 percent and have 90 percent confidence in the estimate. How large a sample should be taken? State the most conservative sample size.
Pinky Bauer, Chief Financial Officer of Harrison Haulers, Inc., suspects irregularities in the payroll system. She knows that 2,500 payroll vouchers have been issued since January 1, 20002018, and her staff doesn't have time to inspect each voucher. So, she randomly selects 53 as a starting point and orders her staff to inspect the 53rd voucher and each voucher at an increment of 100 (53, 153, 253, etc.). Her sample is a ___________. stratified sample simple random sample convenience sample systematic sample
The city of Raleigh has 6900 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 600 randomly selected registered voters was conducted. 328 said they'd vote for Brown, 252 said they'd vote for Feliz, and 20 were undecided.Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Note: The proportion should be a fraction or decimal, not a percent. This sample statistic suggests that we might expect of the 6900 registered voters to vote for Brown.
A national poll wants to determine what percent of all Americans favor a change in delivery to reduce the cost of postal stamps. A random sample of 1000 Pennsylvanians was obtained from a list of all Pennsylvanians. What is the major problem with this survey? Group of answer choices
The city of Raleigh has 11000 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 450 randomly selected registered voters was conducted. 165 said they'd vote for Brown, 243 said they'd vote for Feliz, and 42 were undecided. Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Note: The proportion should be a fraction or decimal, not a percent. __________This sample statistic suggests that we might expect __________ of the 11000 registered voters to vote for Brown. Please answer fast i give upvote
Why does Texas have some of the lowest voter turnout statistics in the nation?
An industrial/organizational psychologist wants to improve worker productivity for a client firm, but first he needs to gain a better understanding of the life of the typical white-collar professional. Fortunately, he has access to the 2008 Workplace Productivity Survey, commissioned by LexisNexis and prepared by WorldOne Research, which surveyed a sample of 650 white-collar professionals (250 legal professionals and 400 other professionals). One of the survey questions was, “During the average workday, how many hours do you spend conducting online research?” For the subsample of legal professionals (n = 250), the mean response was M = 2.7 hours, with a sample standard deviation of s = 4.5 hours. The estimated standard error is sMM = . Use the following Distributions tool to develop a 99% confidence interval estimate of the mean number of hours legal professionals spend on online research during a typical workday. 0123 Standard Normalt Distribution Select a…
An industrial/organizational psychologist wants to improve worker productivity for a client firm, but first he needs to gain a better understanding of the life of the typical white-collar professional. Fortunately, he has access to the 2008 Workplace Productivity Survey, commissioned by LexisNexis and prepared by WorldOne Research, which surveyed a sample of 650 white-collar professionals (250 legal professionals and 400 other professionals). One of the survey questions was, “How many hours do you work at your job on a typical workday?” For the subsample of legal professionals (n = 250), the mean response was M = 9.0 hours, with a sample standard deviation of s = 10.4 hours. The estimated standard error is sMM = . Use the following Distributions tool to develop a 99% confidence interval estimate of the mean number of hours legal professionals work on a typical workday. The psychologist can be 99% confident that the interval from to includes the unknown…