Embibe Experts Solutions for Chapter: Data Handling, Exercise 1: Exercise

In a given data the number of times a particular observation occurs is called its _____.

The following is the survey report of the weekly income of the families of a ward of a municipality:

From the above data construct a continuos frequency table and also find the cumulative frequency of each class. Further find the number of families whose weekly income is at the most $₹1000$. 

The different expenditures incurred on the construction of a building were shown by a pie diagram. The expenditure $₹45000$ on cement was shown by a sector of central angle $75°$. What was the total expenditure of the construction?

The people having ${\mathrm{O}}^{-}$ blood group are $40\%$. The classification of the people based on the blood groups is to be shown by a pie diagram. What should be the measure of angle for the people with ${\mathrm{O}}^{-}$ blood group?

The given pie chart shows the monthly expenditure of a family on rent, clothing, food, savings and miscellaneous items. The family spends $₹520$ on miscellaneous items.

How much does the family spend on rent, food and clothing in a year, if the expenditure is the same throughout the year$?$

The given pie chart shows the monthly expenditure of a family on rent, clothing, food, savings and miscellaneous items.

The family spends $₹520$ on miscellaneous items.

How much more does the family spend on clothing than on savings$?$

The circle graph given in Figure shows the spending of a country on various sports during a particular year. Study the graph carefully and answer the following question.

How much percent less is spent on football than on cricket?

A pie chart represents the monthly expenditure incurred by a student residing in a hostel. If the central angles representing the mess charges and college fees are $120°$ and $40°,$ then the ratio of the expenditure incurred on mess to the expenditure incurred on college fees is