Copied from Copied on Collaborated on Student Gender Internet Exam Individual project 1 No No No Female No No No Male 3 Yes No Yes Male 4 Yes Yes No Male 5 No No Yes Male 6 Yes No No Female 88 No No No Male 89 No Yes Yes Male 90 No No No Female 2.
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
Ethical Behavior of Business Students at Bayview University
During the global recession of 2008and 2009, there were many accusations of unethical behavior by Wall Street executives, financial managers, and other corporate officers. At that time, an article appeared that suggested that part of the reason for such unethical business behavior may stem from the fact that cheating has become more prevalent among business students (Chronicle of Higher Education, February 10, 2009). The article reported that 56% of business students admitted to cheating at some time during their academic career as compared to 47% of nonbusiness students.
Cheating has been a concern of the dean of the College of Business at Bayview University for several years. Some faculty members in the college believe that cheating is more widespread at Bayview than at other universities, while other faculty members think that cheating is not a major problem in the college. To resolve some of these issues, the dean commissioned a study to assess the current ethical behavior of business students at Bay-view. As part of this study, an anonymous exit survey was administered to a sample of 90 business students from this year's graduating class. Responses to the following questions were used to obtain data regarding three types of cheating.
During your time at Bayview, did you ever present work copied off the Internet as your own?
Yes ------ No ------
During your time at Bayview, did you ever copy the answer off another student's exam?
Yes -------- No -------
During your time at Bayview, did you ever collaborate with other students on projects that were supposed to be completed individually?
Yes -------- No -------
Any student who answered Yes to one or more of these questions was considered to have been involved in some type of cheating. A portion of the data collected follows, The complete data set is in the file named Bayview.
Managerial Report
Prepare a report for the dean of the college that summarizes your assessment of the nature of cheating by business students at Bayview University. Be sure to include the following items in your report.
a. Use
b. Develop 95% confidence intervals for the proportion of all students, the proportion of male students, and the proportion of female students who were involved in some type of cheating.
c. Conduct a hypothesis test to determine if the proportion of business students at Bayview University who 2ere involved in some type of cheating is less than that of business students at other institutions as reported by the Chroonicle of Higher ·Education.
d. Conduct a hypothesis test to determine if the proportion of business students at Bay-vie\v University who were involved in some form of cheating is less than that of non-business students at other institutions as reported by the Chronicle of Higher Education.
e. What advice \vouldyou give to the dean based upon your analysis of the data?
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