Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 10 Dec 2017 My Price 7.00

chi-square statistic

Refer to the blood type data of Exercise 10.5.3. Let p1 and p2 represent the probabilities of type O blood

in the patient population and the control population, respectively.

(a) Construct a 95% confidence interval for (p1 - p2).

(b) Interpret the confidence interval from part (a). That is, explain what the interval tells you about the difference

in probabilities of type O blood.

Exercise 10.5.3:

In a classic study of peptic ulcer, blood types were determined for 1,655 ulcer patients. The accompanying table shows the data for these patients and for an independently chosen group of 10,000 healthy controls from the same city.32

(a) The value of the chi-square statistic for this contingency table is  . Carry out the chi-square

test at .

(b) Construct a table showing the percentage distributions of blood type for patients and for controls.

(c) Verify the value of  given in part (a).

Answers

Maurice Tutor
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Status NEW Posted 10 Dec 2017 10:12 PM My Price 7.00

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