Question

In: Math

In a small town, there are 5 high school districts. Each district includes 100 high school...

In a small town, there are 5 high school districts. Each district includes 100 high school

students. In total, there are 500 high school students in the town including 240 male

students and 260 female students. Researchers would like to select a sample of 200

students.

(a) Explain how the sample can be obtained using random cluster sampling.

(b) Explain how the sample can be obtained using stratified random sampling.

(c) Explain how the sample can be obtained using systematic random sampling.

Solutions

Expert Solution


Related Solutions

In the last decade, only 50.4% of high school students in Tampa’s school district graduated high...
In the last decade, only 50.4% of high school students in Tampa’s school district graduated high school. Aiko believes her high school in St. Petersburg has a higher graduation rate. She collects a random sample of 54 former students of her high school and found that 33 of them graduated. Test Aiko’s belief using a significance level of 0.05.
Baird County maintains an investment trust fund for the School District and the Town of Bairdville...
Baird County maintains an investment trust fund for the School District and the Town of Bairdville (separate governments). Presented below is the preclosing trial balance for the investment trust fund, a private-purpose trust fund. Trial Balance—December 31, 2017 Debits Credits Accrued Interest Receivable $ 23,000 Cash 38,300 Deposits—School District $ 459,600 Deposits—Town of Bairdville 336,200 Decrease in Fair Value of Investments (bonds) 15,300 Interest Income 91,800 Investments—Corporate Bonds 1,576,000 Investments—U.S. Treasury Securities 1,530,000 Net Position held in trust—School District (Jan....
Baird County maintains an investment trust fund for the School District and the Town of Bairdville...
Baird County maintains an investment trust fund for the School District and the Town of Bairdville (separate governments). Presented below is the preclosing trial balance for the investment trust fund, a private-purpose trust fund. Trial Balance—December 31, 2017 Debits Credits Accrued Interest Receivable $ 23,000 Cash 38,300 Deposits—School District $ 459,600 Deposits—Town of Bairdville 336,200 Decrease in Fair Value of Investments (bonds) 15,300 Interest Income 91,800 Investments—Corporate Bonds 1,576,000 Investments—U.S. Treasury Securities 1,530,000 Net Position held in trust—School District (Jan....
A school district developed an after-school math tutoring program for high school students. To assess the...
A school district developed an after-school math tutoring program for high school students. To assess the effectiveness of the program, struggling students were randomly selected into treatment and control groups. A pre-test was given to both groups before the start of the program. A post-test assessing the same skills was given after the end of the program. The study team determined the effectiveness of the program by comparing the average change in pre- and post-test scores between the two groups....
Seventy-five percent of the students graduating from high school in a small Iowa farm town attend...
Seventy-five percent of the students graduating from high school in a small Iowa farm town attend college. The towns chamber of commerce randomly selects 30 recent graduates and inquires whether or not they will attend college. A) find the probability that at least 80% of the surveyed students will be attending college. B) find the probability that at most 70% of the surveyed students will be attending college. C) find the probability that between 65% and 85% of the surveyed...
(8 pts) The superintendent of a large school district speculated that high school students involved in...
(8 pts) The superintendent of a large school district speculated that high school students involved in extracurricular activities had a lower mean number of absences per year than high school students not in extracurricular activities. She generated a random sample of students from each group and recorded the number of absences each student had in the most recent school year. The data are listed below. Test the superintendent’s claim at the α=.01 significance level. [To receive full credit, your response...
The superintendent of a large school district speculated that high school students involved in extracurricular activities...
The superintendent of a large school district speculated that high school students involved in extracurricular activities had a lower mean number of absences per year than high school students not in extracurricular activities. She generated a random sample of students from each group and recorded the number of absences each student had in the most recent school year. The data are listed below. Test the superintendent’s claim at the α=.01 significance level. [To receive full credit, your response should be...
Andy teaches high school math for the Metro School District. In 2018, she has incurred the...
Andy teaches high school math for the Metro School District. In 2018, she has incurred the following expenses associated with her job: Noncredit correspondence course on history $ 800 Teaching cases for classroom use $1,900 Andy’s employer does not provide any funding for the correspondence course or teaching cases. Use an available tax service to identify the amount she can deduct, if any, as a “For AGI” deduction and the amount, if any, as a “From AGI” deduction. Prepare a...
5.Chromebooks.After schools closed for the remainder of the year, many school districts in Pa.were able to...
5.Chromebooks.After schools closed for the remainder of the year, many school districts in Pa.were able to issue Chromebooks to families. In a random sample of 150 families in the Abington School District, 120 reported that they were able to receive Chromebooks. In a random sample of 180 families in theDowningtownAreaSchool District, 130 were able to receive Chromebooks. a. Perform a 99% confidence intervalforthe differencein the trueproportion of families who receive Chromebooksin Abington andDowningtown School Districts. b. Based on your interval,...
A particular school district is concerned about the percentage of high schoolers who vape. In a...
A particular school district is concerned about the percentage of high schoolers who vape. In a random sample of 1478 high schoolers taken last year, 61 of them indicated on the anonymous survey that they vape. This year, the survey was given again and out of 1482 high schoolers, 181 of them indicated on the survey that they vape. Is there evidence that the vaping rate is now higher? a) Test at the 5% level b) Compute a 90% confidence...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT