The following table shows the ages of the patients admitted in a hospital during a year.
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Ncert Solutions Class 10th Chapter 14 Statistics Exercise 14.1 Question 9
The following table gives the literacy rate (in percentage) of 35 cities. Find the mean literacy rate.
Ncert Solutions Class 10th Chapter 14 Statistics Exercise 14.1 Question 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.
Ncert Solutions Class 10th Chapter 14 Statistics Exercise 14.1 Question 7
To find out the concentration of
in the air (in parts per million, ie, ppm), the data was collected for 30 localities in a certain city and is presented below: