Sadhana Bhadoriya

Ex – 13.2 Que No. 5 Q.5) The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches. Runs scored N. Find the mode of the data. Solution:-

Ex – 13.2 Que No. 4 Q.4) The following distribution gives the state-wise teacher-student ratio in higher secondary schools of India. Find the mode and mean of this data. Interpret the two measures. Solution:-

Ex – 13.2 Que No. 3 Q.3) The following data gives the distribution of total monthly household expenditure of 200 families of a village. Find the modal monthly expenditure of the families. Also, find the mean monthly expenditure : Solution:-

Ex – 13.2 Que No. 2 Q.2) The following data gives the information on the observed lifetimes (in hours) of 225 electrical components : Determine the modal lifetimes of the components. Solution:-

Ex – 13.2 Que No. 1 Q.1) The following table shows the ages of the patients admitted in a hospital during a year: Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency. Solution:-

Ex – 13.1 Que No. 9 Q.9) The following table gives the literacy rate (in percentage) of 35 cities. Find the mean literacy rate. Solution:-

Ex – 13.1 Que No. 8 Q.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. Solution:-

Ex – 13.1 Que No. 7 Q.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 and is presented below: Find the mean concentration of SO2 in the air Solution:-

Ex – 13.1 Que No. 6 Q.6) The table below shows the daily expenditure on food of 25 households in a locality. Find the mean daily expenditure on food by a suitable method. Solution:-

Ex – 13.1 Que No. 5 Q.5) In a retail market, fruit vendors were selling mangoes kept in packing boxes. These boxes contained varying number of mangoes. The following was the distribution of mangoes according to the number of boxes. Find the mean number of mangoes kept in a packing box. Which method of finding