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Lesson: Displaying and Analyzing Data Using Line Graphs

Data is information that can be displayed in graphs. In this lesson, we will learn how to use line graphs to analyze data, communicate information, and get insights from data.

Worksheet: Displaying and Analyzing Data Using Line Graphs • 13 Questions

Q1:

The graph shows the average numbers of different fish that are found in the Red Sea. Using the graph, complete the table by filling in the number of each fish.

Fish Types	Tuna	Cod	Hake	Shark	Bass	Mullet	Sole
Number of Fish

A80, 240, 100, 140, 20, 120, 220
B80, 240, 100, 20, 140, 120, 220
C80, 240, 100, 20, 120, 140, 220
D80, 100, 240, 20, 140, 220, 120

Q2:

The line graph shows the ages of 120 people. Using the graph, complete the frequency table.

Age	5	10	15	20	25	Total
Frequency

A15, 35, 30, 40, 25, 145
B10, 30, 25, 35, 20, 120
C5, 25, 20, 30, 15, 95
D15, 35, 25, 35, 20, 130

Q3:

The line graph shows the ages of 120 people. Using the graph, complete the frequency table.

Age	5	10	15	20	25	Total
Frequency

A40, 15, 25, 35, 30, 145
B35, 10, 20, 30, 25, 120
C30, 5, 15, 25, 20, 95
D40, 15, 20, 30, 25, 130

Q4:

The graph shows Sandra’s total savings over seven weeks. Did her total savings decrease from week 3 to week 7?

Ano
Byes

Q5:

The line graph shows the savings of a person in the first four months of a year. What was the smallest amount saved in any one month?

AMarch
BApril
CJanuary
DFebruary

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