A data set with 7 observations yielded the following.Use the simple linear regression model. 
Determine the 95 percent confidence interval for the average value of Y when x = 3.25.
Definitions:
Middle-income
A socioeconomic status referring to individuals or families that fall between the lower and upper classes, typically based on earnings and lifestyle.
Firstborn Child
The first child born to a set of parents, often studied in psychology for their unique position, which may affect personality and behavior.
Nuclear Families
A family group consisting of parents and their children, considered a basic social unit.
Micronesia
A region in the western Pacific Ocean comprising thousands of small islands in a broad archipelago.
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