What is the margin of error associated with a survey of 1034 college students if we want to be 97% sure we are correct in our assumptions? 3.9% 3.4% 2.5% 2.8%

Violent crimes include​ rape, robbery,​ assault, and homicide. The following is a summary of the​ violent-crime rate​ (violent crimes per​ 100,000 population) for all states of a country in a certain year. Complete parts​ (a) through​ (d).   Q1=273.8​, Q2=388.5​, Q3=529.1   ​(a) Provide an interpretation of these results. Choose the correct answer below.   A. ​25% of the states have a​ violent-crime rate that is 273.8 crimes per​ 100,000 population or less.​ 50% of the states have a​ violent-crime rate that is 388.5 crimes per​ 100,000 population or less.​ 75% of the states have a​ violent-crime rate that is 529.1 crimes per​ 100,000 population or less.   B. ​25% of the states have a​ violent-crime rate that is 273.8 crimes per​ 100,000 population or more.​ 50% of the states have a​ violent-crime rate that is 388.5 crimes per​ 100,000 population or more.​ 75% of the states have a​ violent-crime rate that is 529.1 crimes per​ 100,000 population or more.   C. ​75% of the…

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105, 82, 94.5, 72.5, 92, 91, 52, 86, 100, 96, 98, 109, 96, 36, 98, 95

Please answer quickly!

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?

A business reports that their average salary is over $91,000, the simple mean of the salaries listed in the chart. Alternatively, instead of a simple mean, the business could report the median, or the mode. Which would be the most useful to someone deciding whether to apply for an entry level job at this business? Job Number of Employees Salary Line workers 10 $30,000 Office manager 1 $45,000 CEO 1 $200,000 Select one: a. Simple mean is best b. Simple mean and median are nearly equal numerically. They are equally good for this purpose and better than the other options. O c. Simple mean and mode are equally good for this purpose and better than the other options. d. Median and mode are about equally good for this purpose and better than other options.

In a survey that asked individuals about their favorite styles of music, 37 replied rock, 27 said they preferred pop music, 14 stated they like classical music the most, and 3 individuals stated they preferred opera. Based on this data, what would be the mode? Why couldn’t the mean or median be used to describe this set of values?

A political campaign wants to estimate the number of adult residents who voted in the last city election. Answer the following. (a) Which of the following surveys probably would best represent the entire adult population of the city? 50 senior residents are randomly selected; 42 voted in the last election. 50 adult residents are randomly selected from the city; 25 voted in the last election. 50 business owners are randomly selected; 38 voted in the last election. (b) There are 16,800 adults who live in the city. Using your answer from part (a), estimate the number of adults who voted in the last city election. adults

The sample mean is the point estimator of а. O b. o О с. р С. O d. H