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Use a ?2 Test to Test the Claim That in the Given

question 16

Essay

Use a ?2 test to test the claim that in the given contingency table, the row variable and the column variable are independent
-The table below shows the age and favorite type of music of 668 randomly selected people.  Rock  Pop  Classical 152550857325356891603545907477\begin{array} { l | r r r } & \text { Rock } & \text { Pop } & \text { Classical } \\\hline 15 - 25 & 50 & 85 & 73 \\25 - 35 & 68 & 91 & 60 \\35 - 45 & 90 & 74 & 77\end{array} Use a 5 percent level of significance to test the null hypothesis that age and preferred music type are independent.


Definitions:

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms.

mRNA

Messenger RNA, a type of RNA that conveys genetic information from DNA to the ribosome, where it specifies the amino acid sequence of the protein products of gene expression.

Intron

Intervening sequence found between exons in mRNA; removed by RNA processing before translation.

Exon

Segment of mRNA containing the protein-coding portion of a gene that remains within the mRNA after splicing has occurred.

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