4. Two mark exercise problems I

1. Ages of \(15\) students in \(8^{th}\) standard is \(13\), \(12\), \(13\), \(14\), \(12\), \(13\), \(13\), \(14\), \(12\), \(13\), \(13\), \(14\), \(13\), \(12\), \(14\). Find the mean age of the students.

 

 

Mean age of the students \(=\)

 

2. Find the mean of the following data.

 

\(5.1\), \(4.8\), \(4.3\), \(4.5\), \(5.1\), \(4.7\), \(4.5\), \(5.2\), \(5.4\), \(5.8\), \(4.3\), \(5.6\), \(5.2\), \(5.5\).

 

 

Mean \(=\) .