Individuals with higher levels of education tend to delay parenting, having children at an older age in comparison with individuals with lower levels of education. We examine this relationship based on GSS 2014 data. In the following table, the mean, standard deviation, and variance for respondent’s age when first child was born (AGEKDBRN) is reported for five categories (DEGREE).
1. Identify the level of measurement for DEGREE and AGEKDBRN.
2. Describe the relationship between respondent degree and age when first child was born.

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Bachelor's Graduate High High School School Less Than Some College Degree Degree Mean 20.72 23.34 23.46 27.98 28.99 Standard deviation 4.745 5.542 5.575 6. 185 6.205 Variance 22.512 30.709 31.082 38.259 38.496