Working at home: According to the U.S. Census Bureau, 32% of men who worked at home were college graduates. In a sample of 519 women who worked at home, 165 were college graduates. Part: 0/ 3 Part 1 of 3 (a) Find a point estimate for the proportion of college graduates among women who work at home. Round the answer to at least three decimal places. The point estimate for the proportion of college graduates among women who work at home is

Working at home: According to the U.S. Census Bureau, 32% of men who worked at home were college graduates. In a sample of 519 women who worked at home, 165 were college graduates. Part: 0/ 3 Part 1 of 3 (a) Find a point estimate for the proportion of college graduates among women who work at home. Round the answer to at least three decimal places. The point estimate for the proportion of college graduates among women who work at home is

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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Online Medical Info USA Today posted this question on its website: “How often do you seek medical information online?” Of 1072 Internet users who chose to respond, 38% of them responded with “frequently.” What term is used to describe this type of survey in which the people surveyed consist of those who decided to respond? What is wrong with this type of sampling method?
Consider the following set of homerun distances (in feet) to centre field in 13 ballparks: {387, 400,400, 410, 410, 414, 415, 420, 420, 457, and 461}a. What is the median?b. What is the mean?c. What is the mode?
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In September 2016, a Gallup poll asked the following question of 1020 adults. In general, how much trust and confidence do you have in mass media? 32% responded that they have “a great deal” or “a fair amount” of trust.A) Sample data B) Census data
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A grocery store owner wishes to know which of the three grocery stores in town is most frequently visited by the residents of the town. Which of these is an example of a convenience sample? A.Set up a table at the town fair and talk to passers-by. B.Send a letter to each household with a survey asking the householder to send it back. C.Hire a market researcher to visit every tenth home in the town. D.Pick names from the telephone book at random to be called.
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The average annual premium for automobile insurance in the U.S. is $1,503. The following annual premiums ($) are representative of the website's findings for the state of Michigan. $1,905 $2,725 $2,677 $2,600 $2,962 $2,370 $2,545 $2,529 $2,442 $2,312 Assume the population is approximately normal. $2,184 $2.332 $3,112 $2,545 $2,525 $2.981 $2.627 $2.857 $2.675 $2.115 a) Provide a point estimate of the mean annual automobile insurance premium in Michigan (SHOW RESULTS, but you may use Excel, b) Develop a 95% confidence interval for the mean annual automobile insurance premium in Michigan. (SHOW WORK, but you may use Excel for key calculations; c) Does the 95% confidence interval for the annual automobile insurance premium in Michigan include the national average for the U.S.? What is your interpretation of the relationship between auto insurance premiums in Michigan and the national average? 4
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