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The mean age at marriage for respondents in the 2006 General Social Survey is 23.33, with a standard deviation of 6.
The mean age at marriage for respondents in the 2006 General Social Survey is 23.33, with a standard deviation of 6.13.From Data Set 1, calculate the z-score associated with an observed age at first marriage of 25.50 and provide a substantive interpretation of this quantity?