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

The given histogram shows the height of the students.

The number of students whose height is in the class interval $165-170$ is what percent less than the number of students whose height is in interval $150-155$? (correct to one decimal place)

The following histogram shows the weights of students of class $\mathrm{X}$ in a school on a particular day. Total number of students enrolled in class $\mathrm{X}=200$.

The number of students weighing less than $55 \mathrm{kg}$ is what percent more than the number of students weighing$55 \mathrm{kg} \mathrm{to} 65 \mathrm{kg}$? 

The given histogram shows the frequency distribution of the speed of cars passing through a particular spot on a highway. Read the graph and answer the following question.

What is the ratio of the number of cars with speed less than $60 \mathrm{kmph}$ to the number of cars with speed more than $70 \mathrm{kmph}$?

The given histogram shows the frequency distribution of the speed of cars passing through a particular spot on a highway. Read the graph and answer the following question.

What percentage of cars were running with the speed of $90 \mathrm{kmph}$ and above?

Adjoining figure is the Histogram of marks obtained in a examination. Total marks is $1000$ and pass marks is $300.$ The ratio of the number of students securing marks $(800-900)$to $(500-600)$ is -

The given histogram shows the height of the students.

What is the percentage of students whose height is in the class interval $160-170$? (correct to the nearest integer)

The given histogram shows the frequency distribution of the speed of cars passing through at a particular spot on a highway. Study the graph and answer the question that follows.

The number of cars with speed between $70 \mathrm{km}/\mathrm{h}$ and $80 \mathrm{km}/\mathrm{h}$  is what percentage more than the number of the cars with speed between $50 \mathrm{km}/\mathrm{h}$ and $60 \mathrm{km}/\mathrm{h}$? (correct to one decimal place)

The given histogram shows the frequency distribution of the speed of cars passing through at a particular spot on a highway. Study the graph and answer the question that follows.

What is the ratio of the number of cars with speed less than $60 \mathrm{km}/\mathrm{h}$ to the number of cars with speed more than $80 \mathrm{km}/\mathrm{h}$?