SpletThe marks obtained by 30 students of Class X of a certain school in a Mathematics paper consisting of 100 marks are presented in table below. Find the mean of the marks … Splet12. mar. 2024 · Best answer It’s seen that the maximum frequency is 20. So, the corresponding class 50 – 60 is the modal class. And, l = 50, h = 60 – 50 = 10, f = 20, f1 = 13, f2 = 5 Using the formula for finding mode, we get = 50 + 70 22 70 22 = 50 + 3.18 = 53.18 ← Prev Question Next Question → Find MCQs & Mock Test JEE Main 2024 Test Series …

The marks distribution of 30 students in a mathematics are given …

SpletIf the median of the data is 63, find the value of x. 29,32,48,50,x,x+2,72,78,84,95. View solution. Question Text. The marks obtained by 30 students of Class X of a certain … Splet20. jul. 2024 · The marks obtained by 30 students of Class X of a certain school in a Mathematics paper consisti... Doubtnut 2.47M subscribers Subscribe 36 Share 3.1K views 4 years ago Question … last book hg wells wrote

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SpletExample 25.5: The mean of marks obtained by 30 students of Section A of Class X is 48, that of 35 students of Section B is 50. Find the mean marks obtained by 65 students in Class X. Solution: Mean marks of 30 students of Section A = 48 So, total marks obtained by 30 students of Section A = 30 × 48 = 1440 Similarly, total marks obtained by 35 ... SpletTo find out the mean, first find the midpoint of the given frequencies as follows: The formula to find out the mean is Mean = x̄ = ∑f i x i /∑f i = 2.96/30 = 0.099 ppm Therefore, the mean concentration of SO 2 in the air is 0.099 ppm. 8. A class teacher has the following absentee record of 40 students of a class for the whole term. SpletQuestion. The marks in science of 80 students of class X are given below: Find the mode of the marks obtained by the students in science. Marks: 0−10. 10−20. 20−30. 30−40. … henny mona