PRACTICE OF STATS - 1 TERM ACCESS CODE
PRACTICE OF STATS - 1 TERM ACCESS CODE
4th Edition
ISBN: 9781319403348
Author: BALDI
Publisher: Macmillan Higher Education
Question
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Chapter 5, Problem 5.1AYK

(a)

To determine

To analyse; the two way table of Peanut allergies among infants in Western countries.

(a)

Expert Solution
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Answer to Problem 5.1AYK

The two table of given data is

    Avoided PeanutsConsumed Peanuts
    Allergic185
    Non-Allergic3342
    Total5147

Explanation of Solution

Given;

the no: of infants not exposed to peanuts = 51

no: of infants allergic to peanuts who were not exposed to peanuts = 18

the no: of infants exposed to peanuts = 47

no: of infants allergic to peanuts who were exposed to peanuts = 5

Calculation;

The two table of given data is

    Avoided PeanutsConsumed Peanuts
    Allergic185
    Non-Allergic3342
    Total5147

  

(b)

To determine

To calculate; how many infants this data represent and how many of them were not exposed to peanuts.

(b)

Expert Solution
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Answer to Problem 5.1AYK

Total no: of infants in the data

  =51+47

  =98

Total no: of infants that avoided peanuts

  =51

Explanation of Solution

Given;

    Avoided PeanutsConsumed Peanuts
    Allergic185
    Non-Allergic3342
    Total5147

Calculation;

Total no: of infants in the data

  =51+47

  =98

Total no: of infants that avoided peanuts

  =51

(c)

To determine

To calculate; the marignal distribution peanut allergy both as counts and percents.

(c)

Expert Solution
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Answer to Problem 5.1AYK

The marginal distribution as count is:

    Avoided PeanutsConsumed PeanutsTotal
    Allergic18/985/9823/98
    Non-Allergic33/9842/9875/98
    Total51/9847/9898/98

The marginal distribution as percentage is:

    Avoided PeanutsConsumed PeanutsTotal
    Allergic18.37%5.10%23.47%
    Non-Allergic33.67%42.86%76.53%
    Total52.04%47.96%100.00%

Explanation of Solution

Given;

    Avoided PeanutsConsumed Peanuts
    Allergic185
    Non-Allergic3342
    Total5147

Calculation;

The marginal distribution as count is:

    Avoided PeanutsConsumed PeanutsTotal
    Allergic18/985/9823/98
    Non-Allergic33/9842/9875/98
    Total51/9847/9898/98

The marginal distribution as percentage is:

    Avoided PeanutsConsumed PeanutsTotal
    Allergic18.37%5.10%23.47%
    Non-Allergic33.67%42.86%76.53%
    Total52.04%47.96%100.00%

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