How to Read and Interpret a Two-Way Table

The video tutorial addresses a standardized math test question involving two-way tables. It is divided into four parts, each focusing on different aspects of the data collected by Ethan from a survey about siblings and dog ownership. Part A calculates the total number of students with no siblings. Part B finds the percentage of these students who have dogs. Part C determines the ratio of students with siblings to those without among students who don't have dogs. Part D analyzes whether the data supports Ethan's belief that students with no siblings are more likely to have dogs. The tutorial concludes with a summary of findings.

Does the data support Ethan's belief that students with no brothers or sisters are more likely to have a dog?

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Explain how you would calculate the percentage of students with dogs among those who have brothers or sisters.

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