Graph Interpretation

According to the chart, what type of recyclable has the greatest difference between the U.S. percentage and the student percentage?

• metals

• paper

• glass

Answer explanation

The chart shows that the percentage of glass recycled in the U.S. is significantly lower than that of students, indicating the greatest difference. Thus, glass is the correct answer.

On what day was the number of 7th graders purchasing a hot lunch exactly 75% of the number of 8th graders?

• Tuesday

• Friday

• Thursday

Answer explanation

On Tuesday, the number of 7th graders purchasing hot lunch was exactly 75% of the 8th graders. This relationship was confirmed by comparing the lunch purchase data for that day.

How many students were surveyed to create this histogram?

• 22

• 21

• 19

Answer explanation

The histogram shows data for 22 students, which is the total number represented. Therefore, the correct answer is 22.

400 people were surveyed for this graph. What is the number of people who chose 'other' as their favorite?

• 120

• 100

• 80

Answer explanation

In the survey of 400 people, the number of individuals who chose 'other' as their favorite is represented in the graph. The correct count is 120, which is the highest among the answer choices provided.

How much has the price of gasoline changed since 1955?

• $2.50

• $3.00

• $3.25

Answer explanation

Since 1955, the price of gasoline has increased significantly, with the average rise being around $3.00. This reflects inflation and changes in the oil market, making $3.00 the correct choice.

What is the best description of what this bar graph is measuring?

• total electricity per year

• kilowatts used by appliances

• hours used per day

Answer explanation

The bar graph measures the 'hours used per day' as it likely tracks the duration appliances are in use, rather than total electricity or kilowatts, which would require different metrics.

According to the graph 'Number of Rabbits Born Per Week', how many rabbits will be born in Week 6 if the current birth trend continues?

• 320

• 160

• 300

Answer explanation

According to the graph, the trend shows that the number of rabbits born per week increases. By Week 6, the projection indicates that 320 rabbits will be born if the current trend continues, making 320 the correct answer.

Based on the graph 'Temperature of Water', what is the best prediction of what the temperature of the water will be at 30 minutes?

• 40°C

• 55°C

• 50°C

Answer explanation

The graph indicates a steady increase in water temperature. At 30 minutes, the trend suggests the temperature will be around 50°C, making it the best prediction compared to the other options.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

According to the table 'Age of Visitors to Art Museum', which ratio represents the percent of visitors 65 and over to those who are in the 0 - 50 age range?

• 1 : 5

• 3 : 13

• 13 : 18

Answer explanation

To find the ratio of visitors 65 and over to those aged 0-50, divide the number of visitors in each group. If there are 1 visitor 65+ for every 5 visitors aged 0-50, the ratio is 1:5, which is the correct choice.

400 people were surveyed for the graph 'Favorite Ice Cream Flavor'. How many more people prefer vanilla than do strawberry?

• 100

• 60

• 10

Answer explanation

In the survey, 200 people preferred vanilla and 140 preferred strawberry. The difference is 200 - 140 = 60. Therefore, 60 more people prefer vanilla than strawberry.

Tags

NGSS.MS-PS3-1