2. Blood pressure is independent of the blood group. We want to know, if the distributions...

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2. Blood pressure is independent of the blood group. We want toknow, if the distributions attending to the blood group, in threereferred samples attending to the type of blood pressure, they aredistributed in the same way. To this end, a sample of 1500 subjectswas collected and their blood group was determined and bloodpressure was taken, classifying it as low, normal, and high.Obtaining the following results:
Blood pressure
Blood Grpoup
A
B
AB
O
Total
Low
28
9
7
31
75
Normal
543
211
90
476
1320
High
44
22
8
31
105
Total
615
242
105
538
1500
Use alfa at 0.05

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null hypothesis Ho distributions attending to the blood group in three referred samples attending to the type of blood pressure are distributed in the same way alternate hypothesis distributions attending to the blood group See Answer

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Blood pressure	Blood Grpoup
A	B	AB	O	Total
Low	28	9	7	31	75
Normal	543	211	90	476	1320
High	44	22	8	31	105
Total	615	242	105	538	1500