Standard Mathematics Primary 4 Data Analysis

The line graph shows the number of visitors to Tampines Library from Monday to Friday last week. Use the graph to answer the question. What is the difference between the number of visitors on the day with the most visitors and the day with the fewest visitors?

A 80
B 120
C 140
D 180
Show Worked Solution

Worked Solution

Step 1: Read each plotted value from the line graph. Monday = 240, Tuesday = 180, Wednesday = 320, Thursday = 280, Friday = 360 visitors. Step 2: Identify the day with the MOST visitors. Compare all five values; the largest is 360 on Friday. Step 3: Identify the day with the FEWEST visitors. The smallest of the five values is 180 on Tuesday. Step 4: Find the difference: 360 − 180 = 180 visitors. Final answer: 180. Answer: 180

Correct answer: 180

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