difference between a histogram and a bar chart

A bar graph is used when__________. => many measurements in each class of measurement or there are several measurements for different items or show how the whole data is broken into parts or show how data changes over a period of time..

The enrollments made in elementary schools and high schools from 1994 through 1998 is shown in the double bar graph. Which year has the maximum difference between enrollments of high schools and elementary schools? => 1994 or 1997 or 1995 or 1996..

The bar graph shows the temperatures recorded in four different states on the 30 th of April. Which state recorded the lowest temperarture? => Tennessee or Alaska or Illinois or Michigan..

The enrollments made in elementary schools and high schools from 1994 through 1998 is given in a double bar graph. Which year has the maximum difference between enrollments of high schools and elementary schools? => 1995 or 1994 or 1996 or 1997..

The double bar graph shows a company's quarterly profits in two years 1983 and 1984. Find the difference between the average profits of the two years. => 20 thousands or 5 thousands or 10 thousands or 30 thousands..

The expenses and the revenue on four projects done by a company are represented in the bar graph. What is the difference between the profits earned by project A and project B? => $15 million or $20 million or $10 million or $5 million..

The total revenue of five companies is represented in the bar graph. What is the difference between the revenues earned by Company B and Company C? => $300 mil or $150 mil or $250 mil or $200 mil..

The total revenues of five companies are represented in the bar graph. What is the difference between the revenues earned by Company A and Company D? => $200 mil or $50 mil or $400 mil or $100 mil..

The total revenue of five companies are represented in the bar graph. What is the difference between the revenue earned by company B and company D? => $200 mil or $50 mil or $400 mil or $450 mil..

The list below tells you the number of toys withTanya, with different hair color. 6 toys with black hair, 2 toys with red hair, 4 toys with brown hair, and 4 toys with orange hair. Which of the following bar graphs represents this data? => Graph 2 or Graph 3 or Graph 4 or Graph ..