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Conduct a chi-square test of independence for the following data: Year: 2015 2016 2017 A 33.2 34.1 25 B 18.7 12.5 34.9 C 6.4. 7

Conduct a chi-square test of independence for the following data:

Year:2015 2016 2017

A 33.2 34.1 25

B 18.7 12.5 34.9

C 6.4. 7 22.3

D 22.5. 19.6. 38.4

Ho: Items bought (A, B, C & D) are independent of sales presented

Ha: Items bought (A, B, C & D) are not independent of sales presented

Please show work on excel step by step and analyze/interpret findings.

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