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To test the hypothesis that the median weight of 16-year-old females from Los Angeles is at least 110 pounds, a random sample of 200 such females was chosen. If 120 females weighed less than 110 pounds, does this discredit the hypothesis? Use the 5 percent level of significance. What is the p-value?
Write a brief summary of the distribution of the area of homes.
a survey of 850 workers were asked how much they used the internet at work. 578 said they used the internet within
No, there is not enough information to refuse hypothesis that proportion of male students who live on campus and proportion of female students who live on campus are same as the test value -1.65 is inside acceptance region (-1.96,1.96).
1 create the regression equation that predicts an indivisuals political attitudes based on the number of times thhey
An issue that faces individuals investing for retirement is allocating assets among different investment choices. A study conducted 10 years ago showed that 65% of investors preferred stocks to real estate as an investment.
Complete the problems below and submit your work in an Excel document. Be sure to show all of your work and clearly label all calculations. All statistical calculations will use the Employee Salary Data Set.
the following summary table presents the results from a repeated-measures anova comparing three treatment conditions.
please expalin how do you solve this problemwe expect that students who do well on the midterm exam in a course will
Conduct a global hypothesis test to verify the overall statistical significance (p-value =.05) of the final estimated multiple regression equation.
Does the 99% confidence interval contain the actual population mean? If not, explain why not. What proportion of many similarly constructed confidence intervals should include the true population mean value?
Ten prominent citizens have been nominated for a community's "Citizen of the Year" award. First- and second-place trophies are awarded to the two persons receiving the highest and second-highest number of votes.
Assuming that the two job offers are independent of each other, what is the probability that the applicant gets an offer from both companies?
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