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Project 01 2
Note: Write as clearly as possible in the given space. Late submission will not be entertained! Exploring Difference Quoti ...
Project 01 2
Note: Write as clearly as possible in the given space. Late submission will not be entertained! Exploring Difference Quotients: In this project, you ...
HU Statistics Questions
Question 1A sample of nurses with
affiliation to private hospitals (affiliation = 0) and to university
hospitals (affi ...
HU Statistics Questions
Question 1A sample of nurses with
affiliation to private hospitals (affiliation = 0) and to university
hospitals (affiliation = 1) was asked to rate their confidence in making
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
footage of those homes. Use the Spearman rank correlation to determine
if there is a significant correlation between the home price and the
square footage.A table of Spearman rank significance values is located in the file. Question 4Why
did we not just use the Pearson correlation for the previous item? That
is, what is the Pearson correlation influenced by that the Spearman is
not?Question 5A restaurant wondered if
there was a difference in the number of refills of soda ordered by those
aged 18-24 (age = 0) and those aged 13-17 (age = 1). Use the
Mann-Whitney U-test to determine if the distribution of soda refills is
significantly different for the two groups.Question 6An
organization was attempting to determine whether there was congruence
between the rating of their hiring personnel in rating new employees
during their interview presentations. The file “Spearman 2” to determine
the Spearman rank correlation between the judges’ ratings.Question 7The following data were collected related to the number of visits to a suburban health clinic. Month Visits January 1610 February 1585 March 1649 April 1590 May 1540 June 1397 July 1410 August 1350 September 1495 October 1564 November 1602 December 1655 The
null hypothesis is that the number of visits is uniformly distributed
throughout the year. Use a chi-square goodness-of-fit test to determine
whether the null hypothesis should be rejected at α = 0.05. Interpret
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
the preferred beverage ordered at lunch independent of the age bracket
in a hospital cafeteria? Test the null that is independent at α = 0.05. Coffee/Tea Soft Drink Other 21-34 26 95 18 35-55 41 40 20 >55 24 13 32
MATH 160 Distribution of Sample Proportions in Statistics Questions
Progress CheckUse this activity to assess whether you and your peers can: Calculate the Z-score for a sample proportion.Us ...
MATH 160 Distribution of Sample Proportions in Statistics Questions
Progress CheckUse this activity to assess whether you and your peers can: Calculate the Z-score for a sample proportion.Use probability to interpret the Z-score for a sample proportion.Identify usual and unusual sample proportions in a sampling distribution.Learn by DoingUse the rubric at the bottom of this page as a guide for completing this assignment.DirectionsSubmit your work:Commit a good-faith effort to address all items in the Prompt section below.Complete your assigned peer reviews:After you submit your initial good-faith attempt, continue to the ANSWER(S) page and review your instructor's response. But please do not submit your corrected work yet.Within three days after the due date, return to this assignment and complete your assigned peer reviews (directions (Links to an external site.)).Submit your corrected work:We all learn from mistakes (our own and our classmates' mistakes). So please do not immediately correct your own mistakes. If possible, wait until you receive feedback from at least one of your peers. If necessary, correct your work and resubmit the entire assignment. Your instructor will only review and grade your most recent submission, so please do not refer to a previous submission.PromptIn the 2008 presidential election, newspapers reported that Obama received 40% of the white male vote. If this is true, what is the probability that a random sample of 200 white male voters had less than 35% voting for Obama?Normal Distribution Calculator
25 pages
MA302 Grantham Week 1 Calculus I Test Help
Multiple Attempts Not allowed. This test can only be taken once. Force Completion This test can be saved and resumed later ...
MA302 Grantham Week 1 Calculus I Test Help
Multiple Attempts Not allowed. This test can only be taken once. Force Completion This test can be saved and resumed later.
Game Theory II and Graph Theory I
These are all word problems that I am having trouble with understanding. If you could show your work, so I know what to do ...
Game Theory II and Graph Theory I
These are all word problems that I am having trouble with understanding. If you could show your work, so I know what to do for my next assignment that would be awesome. Thank you!
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Most Popular Content
2 pages
Project 01 2
Note: Write as clearly as possible in the given space. Late submission will not be entertained! Exploring Difference Quoti ...
Project 01 2
Note: Write as clearly as possible in the given space. Late submission will not be entertained! Exploring Difference Quotients: In this project, you ...
HU Statistics Questions
Question 1A sample of nurses with
affiliation to private hospitals (affiliation = 0) and to university
hospitals (affi ...
HU Statistics Questions
Question 1A sample of nurses with
affiliation to private hospitals (affiliation = 0) and to university
hospitals (affiliation = 1) was asked to rate their confidence in making
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
footage of those homes. Use the Spearman rank correlation to determine
if there is a significant correlation between the home price and the
square footage.A table of Spearman rank significance values is located in the file. Question 4Why
did we not just use the Pearson correlation for the previous item? That
is, what is the Pearson correlation influenced by that the Spearman is
not?Question 5A restaurant wondered if
there was a difference in the number of refills of soda ordered by those
aged 18-24 (age = 0) and those aged 13-17 (age = 1). Use the
Mann-Whitney U-test to determine if the distribution of soda refills is
significantly different for the two groups.Question 6An
organization was attempting to determine whether there was congruence
between the rating of their hiring personnel in rating new employees
during their interview presentations. The file “Spearman 2” to determine
the Spearman rank correlation between the judges’ ratings.Question 7The following data were collected related to the number of visits to a suburban health clinic. Month Visits January 1610 February 1585 March 1649 April 1590 May 1540 June 1397 July 1410 August 1350 September 1495 October 1564 November 1602 December 1655 The
null hypothesis is that the number of visits is uniformly distributed
throughout the year. Use a chi-square goodness-of-fit test to determine
whether the null hypothesis should be rejected at α = 0.05. Interpret
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
the preferred beverage ordered at lunch independent of the age bracket
in a hospital cafeteria? Test the null that is independent at α = 0.05. Coffee/Tea Soft Drink Other 21-34 26 95 18 35-55 41 40 20 >55 24 13 32
MATH 160 Distribution of Sample Proportions in Statistics Questions
Progress CheckUse this activity to assess whether you and your peers can: Calculate the Z-score for a sample proportion.Us ...
MATH 160 Distribution of Sample Proportions in Statistics Questions
Progress CheckUse this activity to assess whether you and your peers can: Calculate the Z-score for a sample proportion.Use probability to interpret the Z-score for a sample proportion.Identify usual and unusual sample proportions in a sampling distribution.Learn by DoingUse the rubric at the bottom of this page as a guide for completing this assignment.DirectionsSubmit your work:Commit a good-faith effort to address all items in the Prompt section below.Complete your assigned peer reviews:After you submit your initial good-faith attempt, continue to the ANSWER(S) page and review your instructor's response. But please do not submit your corrected work yet.Within three days after the due date, return to this assignment and complete your assigned peer reviews (directions (Links to an external site.)).Submit your corrected work:We all learn from mistakes (our own and our classmates' mistakes). So please do not immediately correct your own mistakes. If possible, wait until you receive feedback from at least one of your peers. If necessary, correct your work and resubmit the entire assignment. Your instructor will only review and grade your most recent submission, so please do not refer to a previous submission.PromptIn the 2008 presidential election, newspapers reported that Obama received 40% of the white male vote. If this is true, what is the probability that a random sample of 200 white male voters had less than 35% voting for Obama?Normal Distribution Calculator
25 pages
MA302 Grantham Week 1 Calculus I Test Help
Multiple Attempts Not allowed. This test can only be taken once. Force Completion This test can be saved and resumed later ...
MA302 Grantham Week 1 Calculus I Test Help
Multiple Attempts Not allowed. This test can only be taken once. Force Completion This test can be saved and resumed later.
Game Theory II and Graph Theory I
These are all word problems that I am having trouble with understanding. If you could show your work, so I know what to do ...
Game Theory II and Graph Theory I
These are all word problems that I am having trouble with understanding. If you could show your work, so I know what to do for my next assignment that would be awesome. Thank you!
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