Maurice Tutor

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About Maurice Tutor

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Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 2 Days Ago
Questions Answered: 66690
Tutorials Posted: 66688

Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 23 Jan 2018 My Price 10.00

Minitab output

In a class survey, statistics students were asked, “Which one of these choices describes your perception of your weight: about right, overweight, or underweight?” The table in Exercise 4.12 displayed the results by sex. Displayed below are those results along with the Minitab output for a chi-square test. (Source: The authors.)

a. State the null and alternative hypotheses being tested in this situation.

b. State a conclusion for the test, using a = .05.

c. Using the results shown in the Minitab output, identify the cells with large “contributions to chi-square.” Explain in words that would be understood by someone with no training in statistics why the contributions are so large for those cells.

Exercise 4.12

In a class survey, statistics students at a university were asked, “Regarding your weight, do you think you are: About right? Overweight? Under weight?” The following table displays the results by sex:

a. Write a sentence that explains what would be measured by the row percentages for this table. Make your answer specific to this situation.

b. Determine the row percentages.

c. Draw a bar graph of the row percentages.

d. Briefly describe how males and females differ in their perceptions of weight.

e. An important objective of statistics is the use of sample information to make generalizations about a larger population. What population do you think is represented by this sample?

 

Answers

Maurice Tutor
(5)
Status NEW Posted 23 Jan 2018 06:01 PM My Price 10.00

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