Question

class interval formula​

Answer 1

Answer:

Class Interval = Upper-Class limit – Lower class limit. In statistics, the data is arranged into different classes and the width of such class is called class interval.

Step-by-step explanation:

Pls mrk me as the brainliest

Answer 2

Answer:

(a+b)² = a²+ b²+ 2ab.

Hope it will be helpful