Given here are some figures.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Classify each of them on the basis of the following.
(a) Simple curve
(b) Simple closed curve
(c) Polygon
(d) Convex polygon
(e) Concave polygon
Calculate coefficient of variation from the following data :
Income (in Rs):1000−17001700−24002400−31003100−38003800−45004500−5200No. of families:121820253510
Draw a pie - diagram for the following data of expenditure pattern in a family. ItemsFoodClothingRentEducationUnforeseen eventsMedicineExpenditure (in percent)40%20%10%10%15%5%