Please provide step by step explanation on how to answer #2

1. What is the average age (measured by the variable "age") of the sample in the GSS93 subset.sav data sets

File Edit View Data Transform Analyze Graphs Utilities Extensions Window Help Value Labels X Name Type Wid Measure Role id Numeric 4 Scale Input Spelling 2 wrkstat Numeric Ordinal Input 3 marital Numeric Value Labels: Ordinal Input 4 agewed Numeric N Value - Label Ordinal Input 5 sibs Numeric + N 98 DK Ordinal Input childs Numeric 99 NA X Ordinal Input 7 age Numeric Ordinal Input N 8 birthmo Numeric Ordinal Input N N 9 zodiac Numeric Ordinal Input 10 educ Numeric N Ordinal Input 11 degree Numeric Ordinal Input 12 padeg Numeric Ordinal Input 13 madeg Numeric Ordinal Input 14 sex Numeric Ordinal Input 15 race Numeric OK Reset Cancel Help Ordinal InputFile Edit View Data Transform Analyze Graphs Utilities Extensions Window Help Value Labels X Name Type Widi Measure Role 22 region Numeric Spelling... Ordinal Input 23 xnorcsiz Numeric NO Ordinal Input 24 srcbelt Numeric Value Labels: Ordinal Input 25 size Numeric Value - Label Ordinal Input 26 partyid Numeric + 0 NAP Ordinal Input 27 vote 92 Numeric 1 Favor X Ordinal Input 28 polviews Numeric 2 Oppose Ordinal Input 29 natenvir Numeric 8 DK Ordinal Input 30 natheal Numeric 9 NA Ordinal Input 31 natcity Numeric Ordinal Input 32 natcrime Numeric Ordinal Input 33 natdrug Numeric Ordinal Input 34 nateduc Numeric Ordinal Input 35 cappun Numeric Ordinal Input 36 gunlaw Numeric OK Reset Cancel Help Ordinal InputDescriptives [DataSet]] C:\\Users\\cwarr017\\Downloads\\GSS93 subset. sav Descriptive Statistics N Minimum Maximum Mean Std. Deviation Age of Respondent 1495 18 89 46.23 17.418 Valid N (listwise) 1495