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Houston just had its mayoral race and the Houston chronicle is studying turnout in different districts in the city. They find that the average voter turnout in District A has been 39.5% with a standard deviation of 10%. In District C the average turnout has been 31% with a standard deviation of 15% Can the chronicle conclude that there is really a difference in voter turnout between the two? Do a hypothesis test using alpha of .05
This paper is a detailed and comprehensive review of statistical research performed by others on a business related topic of the student's choice.
One of the most important uses of a correlation is its potential use in_________
1. the following data show samples of three chain stores in three different locations in one town and the amount of
The survey web site received more than 400 responses, with more than 60% favoring continuing the parade, while the telephone response line received more than 120 calls, with more than 90% favoring banning the parade (San Luis Obispo Tribune, March..
What can we conclude from this summary, Which of the following statements is correct and In which of the following situations would permutation tests be suitable
With 95% confidence, what is the margin of error (to 2 decimals)? What is the 95% confidence interval estimate of the population mean?
A four-year university has decided to implement new approach to teaching Statistics. Full-time and adjunct professors were surveyed to determine whether they preferred the traditional lecture approach or a computer approach to teaching Statistics.
there are 30000 students enrolled at city university. 1 a simple random sample of 400 city university students was
question 1a busy landscaping supplies company sells wood chips for garden mulch. the mulch is sold by the cubic metre
A simple random sample of 100 of a certain popular model car in 2003 found that 20 had a certain minor defect in the brakes. A simple random sample of 400 of this model car in 2004 found that 50 had the minor defect in the brakes.
A researcher decides to test her hypothesis that some toys are more fun to play with than others, so she decides to compare fun toys or blocks with “un-fun” toys or stuffed animals
should you use a binomial distribution? please give a reason for your answer. in a random sample of students x is the
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