Question

40 students of a class were asked the distance ( in km) between their home and school and these were recorded as 2,5,7,1,3,4,2,10,7,5,1,8,9,2,7,1,2,2,5,3,9,6,6,5,2,1,1,4,3,5,8,11,5,4,1,2,10,11,7,1. What is the mean and range of the given data?

Answer 1

Answer:

.Acid rain damages buildings and structures because it dissolves the stone or corrodes the metal that is exposed to the weather. ... Some of these materials contain calcium carbonate or calcium-based compounds, which can be dissolved by acid rain.