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An individual federal tax return form asks, among other things, for the following information: income (in dollars and cents), number of dependents, whether filing singly or jointly with a spouse, whether or not deductions are itemized, amount paid in local taxes. Describe the scale of measurement of each variable, and state whether the variable is qualitative or quantitative.
Could you be so nice and help me check my answers, thank you sooo much
income (in dollars and cents) quantitative / ratio
number of dependents quantitative / ratio
whether filing singly or jointly with a spouse qualitative /nominal
whether or not deductions are itemized quantitative / ratio
amount paid in local taxes. quantitative / ratio
The booster club has gotten several businesses and car dealers to donate gasoline and cars for the college students to use to make a maximum of 575 personal contacts daily during the fund-raising drive. The college student will donate a total of 2..
A questionnaire will be published and the first 1000 completed questionnaires will be analyzed. Which of the following errors will be associated with the sample? Sampling errors only.
When 306 students are randomly selected and surveyed it is found that 115 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car.
Blood type AB is found in only 3% of the population. If 320 people are chosen at random, find the probability of the following. (Round your answers to four decimal places.)
Calculate the population mean and population standard deviation.
Florida State University administers a mathematics placement test to students where they 1st enter the university.
11% needed to be serviced once, 5% twice, 4% three times, and none required more than three repairs. what are the expected no of repairs per year.
how easy is it to get into contact with a person in sacramento california? if you dont know the telephone number it
Estimate the true mean tensile strength of bars of this size and tyoe using 90% confidence interval. List any assumptions you need to make. Given n=150, x(bar)=477N/mm^2, and s=13.
the hights of male adults are normally distributedwith mean 1.7m and standard deviation 0.2m. in a population of 400
A sample is selected from a population with a mean of =40 and a standard deviation of 8. If the sample has n=4 scores, what is the expected value of M and the standard error of M?
the probability that a certain kind of scratch-off lottery ticket will win a prize is 0.22. kendra received 8 tickets
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