Chapter SR32, Problem 4P

Solution

Between which two consecutive hours did the number of dinners at Ferraro’s change the most?

Between 9 P.M. to 10 P.M.

Given:

Use the line graph to answer the exercise.

  

Concept used:

• A line graph—also known as a line plot or a line chart—is a graph that uses lines to connect individual data points.
• A line graph displays quantitative values over a specified time interval.

Calculation:

The given line graph is −

  

From the given line graph −

At 9 the number of dinners is = 25

At 10 the number of dinners is = 8

Change in no. of dinners between 9 to 10 = 25 - 8 =17

So, From hours 9 to 10 the number of dinners at Ferraro’s change the most.