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Chi-Square Analysis The National Sleep Foundation used a survey to determine whether hours of sleeping per night are independent of age. The following shows the

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Chi-Square Analysis

The National Sleep Foundation used a survey to determine whether hours of sleeping per night are independent of age. The following shows the hours of sleep on weeknights for a sample of individuals age 49 and younger and for a sample of individuals age 50 and older. Table 1 for the data (attached picture)

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