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The American Community Survey (ACS) replaced the census "long form" starting with the 2010 census.
The main part of the ACS contacts 250,000 addresses by mail each month, with follow-up by phone and in person if there is no response. Each household answers questions about their housing, economic, and social status. What is the Population.
Use the given confidence level and sample data to find a confidence interval for estimating the population mean
Calculate the standard error of estimate for the regression equation.
A local group claims that the police issue more than 60 speeding tickets a day in their area.
At the .01 significance level, is there a relationship between job pressure and age?
Find out whether this is enough evidence to accept or reject manager's null hypothesis, using alpha = .01. Is this test left-tailed, right-tailed or two-tailed?
Explain finding value of test statistic and P-value also understand the result. At the .01 significance level can we compute that the mean fare has increased.
Which of the following would have a binomial distribution and evaluate the binomial coefficient
To forcast the sample size within 0.02 with 90 percent confidence. The CEO of the organization needs to forcast the proportion of Canadians who own their house.
Testing for population proportion - evidence that the proportion of data processing clerks who have gone through the new training and are no longer employed is less than .25?
Create a scatter diagram and consider the correlation for the given data. Create a scatter diagram and sketch the line you think best fits the data.
Use the Empirical Rule to estimate the proportion of costs within two standard deviations of the mean. What are these limits?
Determine a 95% confidence interval for true mean cost to repair this type of car.
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