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Choose one answer for each question.
What is the average salary of women working in government in the Washington DC area?
What proportion of women have changed jobs in the Washington, DC area in the past year?
Is there a difference in the salaries of people that work in the public and private sector in Washington, D.C.?
Is there a difference in the proportion of people in the public and private sector that have changed jobs in the past year?
Has there been a difference in the amount that people spend on clothing in the past 5 years? The same one hundred people were asked in 2009 and in 2014 how much they had spent on clothing in the past year.
Is there a difference in people's opinions about capital punishment in the past 5 years? The same one hundred people were asked in 2009 and 2014 if they approved or disapproved of capital punishment for murder.
1. Which of the following are valid probability density functions? Justify your answer.
Do you think this detection bias would strengthen or attenuate the association between vegetarian diet and learning disabilities? Defend your choice briefly.
A local school district wants to survey parents about their attitudes toward the elimination of the marching band program as a way to save money. The school district sampled 120 parents and found 74 supported the plan to cut the band program.
iven an infinite population with a mean of 75 and a standard deviation of 12, the probability that the mean of a sample of 36 observations taken at random from this population exceeds 78 is?
A year after graduation. Find the probability that 8 randomly selected graduates all find jobs in their chosen field within a year of graduating.
Also how inventory can act as a buffer in the production process. Discuss why it is sometimes prudent not to order the minimum level required to obtain a quantity discount.
in basketball a players free throws percentage ft is expressed as a number between 0 and 1 which represents the
Determine whether the difference in proportions is significant at the 0.05 level.
In a large section of a statistics class, the points for the final exam are normally distributed with a mean of 72 and a standard deviation of 9. Find the lowest score on the final exam that would qualify a student for an A, a B and a C.
What is the probability that it will be handled by Adam? If it turns out that the problem was solved, what is the probability that it was handled by Adam?
specimens of blood from 10 different animals were analyzed for blood count say y in units of 100 and packed cell volume
Develop a point estimate of the population mean number of units sold per month. Develop a point estimate of the population standard deviation
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