4-Winning-team data were collected for teams in different sports, with the results given in the accompanying table. Use a 0.05 significance to test the claim that home/ visitor wins are independent of the sport. Home team wins Basketball Baseball Hockey Football 127 53 50 57 Visiting team wins Basketball Baseball Hockey Football 71 47 43 42

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.