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A random sample of 40 adults with no children under the age of 18 years results in a mean daily leisure time of 5.59 hours,

A random sample of 40 adults with no children under the age of 18 years results in a mean daily leisure time of 5.59 hours, with a standard deviation of 2.47 hours. A random sample of 40 adults with children under the age of 18 results in a mean daily leisure time of 4.26 hours with a standard deviation of 1.54 hours. Construct and interpret a 90% confidence interval for the mean difference in leisure time between adults with no children and adults with children. (12)

Let 1 represent the mean leisure hours of adults with no children under the age of 18 and 2 represent the mean leisure hours of adults with children under the age of 18.

The 90% confidence interval for (12) is the range from __ hours to __ hours.

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