Class-10 Chapter-13 Statistics Exercise 13.1, 13.2, 13.3 CBSE Maths NCERT New Syllabus 2025-26

Class-10 Chapter 13, Statistics, Exercise 13.1, Exercise 13.2, Exercise 13.3, CBSE, Maths, Rationalised, New Syllabus, NCERT, 2025-26, Exercise 13.1 Question no 1 A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants, Exercise 13.1 Question no 2 Consider the following distribution of daily wages of 50 workers of a factory, Exercise 13.1 Question no 3 The following distribution shows the daily pocket allowance of children of a locality, Exercise 13.1 Question no 4 Thirty women were examined in a hospital by a doctor and the number of heartbeats per minute were recorded and summarised as follows, Exercise 13.1 Question no 5 In a retail market, fruit vendors were selling mangoes kept in packing boxes. These boxes contained varying number of mangoes, Exercise 13.1 Question no 6 The table below shows the daily expenditure on food of 25 households in a locality, Exercise 13.1 Question no 7 To find out the concentration of SO2 in the air (in parts per million, i.e., ppm), the data was collected for 30 localities in a certain city , Exercise 13.1 Question no 8 A class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent, Exercise 13.1 Question no 9 The following table gives the literacy rate (in percentage) of 35 cities. Find the mean literacy rate, Exercise 13.2 Question no 1 The following table shows the ages of the patients admitted in a hospital during a year, Exercise 13.2 Question no 2 The following data gives the information on the observed lifetimes (in hours) of 225electrical components, Exercise 13.2 Question no 3 The following data gives the distribution of total monthly household expenditure of 200families of a village, Exercise 13.2 Question no 4 The following distribution gives the state-wise teacher-student ratio in higher secondary schools of India, Exercise 13.2 Question no 5 The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches, Exercise 13.2 Question no 6 A student noted the number of cars passing through a spot on a road for 100periods each of 3 minutes and summarised it in the table given below, Exercise 13.3 Question no 1 The following frequency distribution gives the monthly consumption of electricity of68 consumers of a locality, Exercise 13.3 Question no 2 If the median of the distribution given below is 28.5, find the values of x and y, Exercise 13.3 Question no 3 A life insurance agent found the following data for distribution of ages of 100 policyholders, Exercise 13.3 Question no 4 The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table, Exercise 13.3 Question no 5 The following table gives the distribution of the life time of 400 neon lamps, Exercise 13.3 Question no 6 100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows, Exercise 13.3 Question no 7 The distribution below gives the weights of 30 students of a class. Find the median weight of the students.