تم الحل ✓
categoryإحصاء
schoolبكالوريوس
event_available2026-07-14
السؤال
Transcribed Image Text:
A survey of 13,294 students in a country who enrolled in private career colleges was conducted to understand student participation in the
private postsecondary educational system. In one part of the survey, students were asked about their field of study and about when they
entered college. Here are the results.
Field of Number of
Study
Students
Time of Entry
Right After High School Later
Trades
922
34%
66%
Design
514
47%
53%
Health
5085
40%
60%
Media/IT
3178
31%
69%
Service
1340
Other
2255
36%
52%
64%
48%
In this table, the second column gives the number of students in each field of study. The next two columns give the marginal distribution of
time of entry for each field of study.
(a) Use the data provided to make the 6 x 2 table of counts for this problem.
Time of Entry
Field of Study Right After High School
Later
Trades
Design
Health
Media/IT
Service
Other
(b) Analyze the data. (Round your numerical answers to one decimal place.)
The most popular field of study is ---Select---
is ---Select---with
high school.
with
% of these students. Overall
% of these students. The least popular field of study
% of these students enrolled right after
(c) Write a summary of your conclusions. Be sure to include the results of your significance testing. (Use a = 0.01.)
State the null and alternative hypotheses.
Null Hypothesis:
Ho: There is an association between field of study and number of students.
Ho: There is an association between field of study and when students enter college.
Ho: There is an association between when students enter college and number of students.
Ho: There is not an association between field of study and number of students.
Ho: There is not an association between field of study and when students enter college.
Alternative Hypothesis:
Ha: There is an association between field of study and number of students.
Ha: There is an association between field of study and when students enter college.
Ha: There is an association between when students enter college and number of students.
Ha: There is not an association between field of study and number of students.
Ha: There is not an association between field of study and when students enter college.
State the x² statistic, degrees of freedom, and the P-value. (Round your answer for x² to one decimal place and your P-value to four
decimal places.)
x²=
df=
P-value =
Conclusion:
We have sufficient evidence to conclude that there is an association between field of study and number of students.
We have sufficient evidence to conclude that there is an association between field of study and when students enter
college.
We have sufficient evidence to conclude that there is an association between when students enter college and number of
students.
We do not have sufficient evidence to conclude that there is an association between field of study and number of students.
We do not have sufficient evidence to conclude that there is an association between field of study and when students enter
college.
check_circle الجواب — حل مفصل خطوة بخطوة
hourglass_top
🔒
الحل الكامل متاح للمشتركين
اشترك في أرشيف الأسئلة لعرض هذا الحل وآلاف الحلول المفصلة خطوة بخطوة من معلمين معتمدين.