https://www.adda247.com/question-answer/if-25-of-items-are-less-than-20-and-25-are-more-than-40-the-quartile-deviation-is/q.v1.76af599c-aa24-4095-854d-c01ac18d04b5-en
Given:25% of items are less than 20 25% of items are more than 40Formula used:Quartile deviation =
itemsless