Final answer:
The question pertains to evaluating true or false statements about a matrix, which involves an understanding of matrix properties and operations. Specific statements were not provided, so no actual true or false assessment can be performed.
Step-by-step explanation:
The question is related to evaluating the true or false statements about a matrix and, if false, providing the correct statement. To answer such questions, an understanding of matrix operations and properties is essential. The provided information indicates a process for entering and using matrices in a statistical test, specifically a chi-square test on a graphing calculator, as well as organizing information to solve for variables.
When analyzing true or false statements, remember to assess each given statement individually against known mathematical rules. For example, two matrices can only be equal if they are the same size and their corresponding elements are equal. Also, matrix addition requires matrices of the same dimensions. If any statements provided about these concepts are false, they should be corrected accordingly. Unfortunately, without a specific list of statements given in the question about matrix a, no true or false assessment can be made.