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quiz 3 due on August 5 , Chapter 7 test due on August 5 and quiz 4 due on August 5 hw 10.2 ,10.3,10.4 due on August 7 chapter 10 test due on August 7 final exam due on August 8
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8 pages
Mgsc 220 Final
Aircraft arrives at an airport with only one runway (Poisson process). An average of 6 aircrafts arrive at the airport eac ...
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HU Statistics Questions
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HU Statistics Questions
Question 1A sample of nurses with
affiliation to private hospitals (affiliation = 0) and to university
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the right decisions based on their level of ongoing inservice
professional development. Use a Mann-Whitney U-test to determine if the
distribution of confidence in each group is the same. The file is the
first tab in “nonparametric.xlsx.” Be sure to always write the
null and alternate hypotheses, so that the decision is made in the
correct direction. Also, conduct all as two-tailed tests at α = 0.05.Question 2In
the previous item, we used the Mann-Whitney test rather than an
independent t-test. Why might we Mann-Whitney rather than the t-test?Question 3
In the third tab of the same file (nonparametric_sheets.xslx), there
are data for the selling prices of homes in a ZIP code and the square
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did we not just use the Pearson correlation for the previous item? That
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the results.Question 8There are 8 job
codes in a large hospital system. The table below indicates the number
of grievances filed by members of the union by job code. Are the number
of grievances uniformly distributed at α = 0.05? Job Code Grievances 1 19 2 17 3 14 4 18 5 19 6 21 7 18 8 18 Interpret this for hospital leadership.Question 9A
research firm was interested in knowing whether income level and
location of service for procedures were independent. The following data
were provided. Clinic Hospital Private <$30,000 85 16 6 $30,000 to $49,999 102 27 13 $50,000 to $99,999 36 22 15 > $99,999 15 23 25 Use
a chi-square test of independence to determine whether income level and
service location are independent. Test the null hypothesis the service
location is independent of income at α = 0.01.Question 10Is
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