The frequency Polygon shown depicts the monthly rainfall in the Kathmandu (Nepal).
Answer the following :
(i) Which month had the highest rainfall?
(ii) How many months had rainfall above 200 mm ?
(iii) How many months had rainfall below 100 mm ?
(iv) Calculate the Mean rainfall in the months from June to September.

Question

The frequency Polygon shown depicts the monthly rainfall in the Kathmandu (Nepal).
Answer the following :
(i) Which month had the highest rainfall?
(ii) How many months had rainfall above 200 mm ?
(iii) How many months had rainfall below 100 mm ?
(iv) Calculate the Mean rainfall in the months from June to September.

KnowledgeBoat · Accepted Answer

(i) Highest point on the graph is in July. Hence, July month had the highest rainfall. (ii) Months with rainfall above 200 mm are: June, July and August. Hence, there are 3 months with rainfall above 200 mm. (iii) Months with rainfall below 100 mm are : Jan, Feb, March, April, Oct, Nov and Dec. Hence, there are 7 months with rainfall below 100 mm. (iv) Rainfall from June to September are: Jun (250 mm) Jul (375 mm) Aug (350 mm) Sep (150 mm) Mean = = . Hence, mean rainfall from June to September = 281.25 mm.

Mathematics

Statistics

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