Mathematics
The following table shows the ages of the patients admitted in a hospital during a year :
| Age (in years) | Number of patients |
|---|---|
| 5 - 15 | 6 |
| 15 - 25 | 11 |
| 25 - 35 | 21 |
| 35 - 45 | 23 |
| 45 - 55 | 14 |
| 55 - 65 | 5 |
Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency.
Related Questions
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.
Number of days Number of students 0 - 6 11 6 - 10 10 10 - 14 7 14 - 20 4 20 - 28 4 28 - 38 3 38 - 40 1 The following table gives the literacy rate (in percentage) of 35 cities. Find the mean literacy rate.
Literacy rate (in %) Number of cities 45 - 55 3 55 - 65 10 65 - 75 11 75 - 85 8 85 - 95 3 The following data gives the information on the observed lifetimes (in hours) of 225 electrical components :
Lifetime (in hours) Frequency 0 - 20 10 20 - 40 35 40 - 60 52 60 - 80 61 80 - 100 38 100 - 120 29 Determine the modal lifetimes of the components.
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 :
Expenditure (in ₹) Number of families 1000 - 1500 24 1500 - 2000 40 2000 - 2500 33 2500 - 3000 28 3000 - 3500 30 3500 - 4000 22 4000 - 4500 16 4500 - 5000 7