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USE R AND SHOW CODES!! 1.a. There is a theorem that the ratios of blood types...

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Statistics

USE R AND SHOW CODES!!

1.a. There is a theorem that the ratios of blood types O, A, Band AB are 49:38:9:4,

respectively. A research team, investigating a small communityand obtained the following frequencies of blood type.

Blood type

Blood Type O A B AB

Frequency 87 59 20 4

Test the hypothesis that the proportions in this community donot differ significantly

from those in the general theorem.

1.b. The severity of participants' migraines is clinicallyassessed. The following table

displays the severity classifications for patients assigned tothe medical and the non

traditional therapies

Severity Classification

Therapy Minimal Moderate Severe

Medical 90 60 50

Non traditional 50 60 90

Is there any evidence that severity is independent of type oftherapy?

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