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The number of members of \(10\) families in a gated community are \(2\), \(4\), \(7\), \(13\), \(3\), \(4\), \(13\), \(10\), \(10\), and \(7\).
 
Considering the data thus obtained, complete the blanks given below:
 
1. The smallest family size is , and the number of families of the smallest size is .
  
  
2. The largest family size is , and the number of families of the largest size is .
  
  
3. The average family size is .
 
[Note: Always enter the answers in whole numbers]