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The Questions related to finding the distance between two points using their coordinates, Area of Triangle, Line divided in Ratio Section Formula are important models in class 10 boards.
Introduction to Trigonometry Class 10 has total of four exercises consists of 27 Problems. The questions based on trigonometric ratios of specific angles, trigonometric identities and trigonometric ratios of complementary angles are the main topics you will learn in this chapter.
Some Applications of Trigonometry Class 10 has one exercise consists of 16 Problems. In this chapter, you will be studying about real life applications of trigonometry and questions are based on the practical applications of trigonometry.
Circle Class 10 has total of two exercises consists of 17 Problems. Understand concepts such as tangent, secant, number tangents from a point to a circle and more. Constructions Class 10 has total of four exercises consists of 14 Problems.
The Questions are based on drawing tangents and draw similar triangles are important topics. Areas Related to Circles Class 10 has total of three exercises consists of 35 Problems. Surface Areas and Volumes Class 10 has total of five exercises consists Ch 2 Maths Class 10 Formulas Journal of 36 Problems. The problems are based on finding areas and volumes of different solids such as cube, cuboid and cylinder, frustum, combination of solids. Statistics Class 10 has total of four exercises consists of 25 Problems.
Problems related to find mean, mode or median of grouped data will be studied in this chapter. Solve questions by understanding the concept of cumulative frequency distribution. Probability Class 10 has total of two exercises consists of 30 Problems. Questions based on the concept of theoretical probability will be studied in this chapter. Class 10 maths is having 15 chapters to learn by the students in this academic year.
NCERT Solutions are designed in a way that every student can quickly understand the concept into their minds and clarifies all their doubts within a few seconds. A middle value is selected; any other value can be selected here.
Numerical : The table below shows the daily expenditure on food of 25 households in a locality. Find the mean daily expenditure on food by step deviation method. Youtube - Hindi. Class 10 Maths Statistics Mean of Grouped Data Mean of Grouped Data In most of our real life situations, data is usually so large that to make a meaningful study it needs to be condensed as grouped data.
It is assumed that the frequency of each class interval is centered around its mid-point. The result obtained by all the three methods is the same. If x i and f i are sufficiently small, then the direct method is an appropriate choice. If x i and f i are numerically large numbers, then we can go for the assumed mean method or step-deviation method.
Direct Mean Method Solution: As per direct method. Class 10 Maths Statistics. Mean of Grouped Data.
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