R. D. Sharma Solutions for Chapter: Statistics, Exercise 5: EXERCISE 15.5

A student noted the number of cars passing through a spot on a road for $100$ periods each of $3$ minutes and summarised it in the table given below. Find the mode of the data, rounded off to one decimal place.

The following frequency distribution gives the monthly consumption of electricity of $68$ consumers of a locality. Find the sum of median, mean and mode of the data and fill your answer to the nearest integer.

$100$ surnames were randomly picked up from a local telephone directly and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:

Determine the median number of letters in the surnames. Find the mean number of letters in the surnames. Also, find the modal size of the surnames. Also find the sum of mean, median and mode.

Find the mean, median and mode of the following data. Also find their sum.

The following data gives the distribution of total monthly household expenditure of $200$ families of a village. Find the sum of mean monthly expenditure and modal monthly expenditure in rupees upto two decimal places.

The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches.

If the mode of the data is $\mathrm{k}$ runs, where is rounded off to nearest integer then find $\mathrm{k}$. 

The frequency distribution table of agriculture holdings in a village is given below:

Find the modal agricultural holdings of the village. If modal agricultural holdings of the village is $\mathrm{k}$ hectares rounded off to one decimal place then write $\mathrm{k}$.

The monthly income of $100$ families are given as below:

Calculate the modal income.