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:
Ncert Solutions Class 10th Chapter 14 Statistics Exercise 14.3 Question 5
The following table gives the distribution of the life time of 400 neon lamps:
Ncert Solutions Class 10th Chapter 14 Statistics Exercise 14.3 Question 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:
Ncert Solutions Class 10th Chapter 14 Statistics Exercise 14.3 Question 3
A life insurance agent found the following data for distribution of ages of 100 policy holders. Calculate the median age, if policies are given only to persons having age 18 years onwards but less than 60 year.
Ncert Solutions Class 10th Chapter 14 Statistics Exercise 14.3 Question 2
If the median of the distribution given below is 28.5, find the values of x and y.
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