Verify that the wilcoxon mann whitney test

Assignment Help Basic Statistics
Reference no: EM131397306

Imagine that two groups of cancer patients are compared, the first group having a rapidly progressing form of the disease and the other having a slowly progressing form instead.

At issue is whether psychological factors are related to the progression of cancer. The outcome measure is one where highly negative scores indicate a tendency to present the appearance of serenity in the presence of stress. The results are

Group 1:

-25

-24

-22

-22

-21

-18

-18

-18

 

-18

-17

-16

-14

-14

-13

-13

-13

 

-13

-9

-8

-7

-5

1

3

7

 

7

 

 

 

 

 

 

 

Group 2:

-21

-18

-16

-16

-16

-14

-13

-13

 

-12

-11

-11

-11

-9

-9

-9

-9

 

-7

-6

-3

-2

3

10

 

 

Verify that the Wilcoxon-Mann-Whitney test rejects at the 0.05 level, but none of the other methods in Section 8.8 reject. What might explain this?

Reference no: EM131397306

Questions Cloud

Equilibrium quantity and equilibrium price : How do I find the equilibrium quantity and equilibrium price for the commodity whose supply and demand functions are given. Supply: p=100q Demand: p=-q^2+7500
Do you believe the legislation is ethical why or why not : Do you believe the legislation is ethical? Why or why not? Your paper should be a minimum of 1500 words, written in APA format with a title page, abstract, in-text citations and references.
Create a chart outlining each tool’s current capabilities : Create a chart outlining each tool's current capabilities, and write a one- to two-page report on the features you found most beneficial for your lab.
Express a number in scientific notation : Why would you express a number in scientific notation? Why might you not express a number in scientific notation?
Verify that the wilcoxon mann whitney test : Verify that the Wilcoxon-Mann-Whitney test rejects at the 0.05 level, but none of the other methods in Section 8.8 reject. What might explain this?
Evaluate the current quality control department performance : Evaluate the current quality control department performance. The case describes how the current Quality Control Department is operating -knowing what you now know about Quality Control-evaluate!!
Prepare a statement of cash flows for fashion retailers : Prepare a statement of cash flows (indirect method) for The Fashion Retailers, inc. for the year ended December 31, 20X8. Calculate the following cash flow ratios for 20X8: Operating cash flow ratio
Inductive and deductive reasoning in mathematics : Explain the purposes of inductive and deductive reasoning in mathematics. Be sure to define both inductive reasoning and deductive reasoning and describe how each can help you develop and prove theorems.
How many units of each product kalifo company must sell : Assuming the sales mix remains as budgeted, determine how many units of each product Kalifo Company must sell in order to break even in 20X8.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistical terms and uses in business plan

Clearly define the dependent and independent variables that are the focus of the team's study. The dependent variable is the variable whose value is the result or is a function of the control or independent variables.

  Data provided by a romac salary survey

On the basis of data provided by a Romac salary survey, the variance in annual salaries forseniors in public accounting firms is approximately 2.1

  Find sample size that was used was approximately

Players who earn more than 2 million dollars a year is found to be between .82 and .88. Given this information, the sample size that was used was approximately?

  Probability of answering a question correctly

On a multiple-choice test with five possible answers for each question, what is the probability of answering a question correctly if you make a random guess?

  Complete the anova summary table

The sums of squares appear in the following ANOVA summary table.  The mean for each condition and the condition and the number of subjects precondition are also noted.

  Scores on a standardized test are normally distributed with

scores on a standardized test are normally distributed with a mean of 100 and a standard deviation of 12. an

  How many different three digit numbers are possible

Suppose that there is a lottery where you select 3 different numbers between 0 and 9. A digit cannot be selected twice so you can select 123 but not 112. How many different three digit numbers are possible

  A sample of 200 observations from the first population

q1. a sample of 65 observations is selected from one population with a population standard deviation of 0.75. the

  The comfort widget company makes severtal different widgets

the comfort widget company makes severtal different widgets. the smallest widget the company manufactures has a mean

  Find the mean and standard deviation of the resulting

rolling a fair eight-sided die produces a uniformly distributed set of numbers between 1 and 8 with a mean of 4.5 and a

  Determine the test statistic and p-value

Define the parameter of interest. State the hypotheses and Determine the test statistic and p-value considering any necessary assumptions Decide whether to reject or not reject the null hypothesis

  Distribution approximate the normal distribution

Suppose we have a population that does not follow the normal distribution. If we select sample of what size will the distribution approximate the normal distribution?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd