Question

using step divination method calculate standard deviation for the following data.
class:0-10,10-20,20-30,30-40,40-50,50-60,60-70
frequency:10,15,25,25,10,190,5​

Answer 1

Step-by-step explanation:

leader of the length 10 centimetre placed against the wall and its top richest the window at the height of the groom find the distance between the foot of the ladder and the wall