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
milcah answered 1 year agoRelated Solutions
The superintendent of the Middletown school district wants to know which of the districts three schools...
The superintendent of the Middletown school district wants to
know which of the districts three schools has the lowest rate of
parent satisfaction. He distributes a survey to 1,000 parents in
each district which asks if the parent is satisfied with their
child’s school, and all of these parents respond. Here are the
results school
school A
school B
school C
total
not satisfied
248
250
300
798
satisfied
752
750
700
2202
Total
1000
1000
1000
3000
a. Percentage...
8. Seventy-five percent of the students graduating from high school in a small town in Oklahoma...
8. Seventy-five percent of the students graduating from high
school in a small town in Oklahoma attend college. For a random
sample of 50 students from the town, what is the probability
that
a. at least 80% of the surveyed students will attend
college?
b. between 80% and 85% (inclusive) of the surveyed students will
attend college?
please explain thought process and step by step
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...
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