Grade 6 | Unit 8 | Lesson 7: Using Histograms to Answer Statistical Questions | Practice Problems

These two histograms show the number of text messages sent in one week by two groups of 100 students. The first histogram summarizes data from sixth-grade students. The second histogram summarizes data from seventh-grade students.Are these histograms approximately centered around the same value?

• Yes, both are centered around 100 text messages.

• No, the centers are different.

• Unsure

Tags

CCSS.6.SP.A.2

Which data set has greater spread? Explain your reasoning.

• Sixth-grade students have a wider spread.

• Seventh-grade students have a wider spread.

• Neither, spreads are similar.

Tags

CCSS.6.SP.A.2

Overall, which group of students—sixth- or seventh-grade—sent more text messages?

• Sixth-grade students

• Seventh-grade students

• Neither, about the same

Tags

CCSS.3.MD.B.3

Forty sixth-grade students ran 1 mile. Here is a histogram that summarizes their times, in minutes. On the blank axes, draw a second histogram that has a distribution of times for a different group of 40 sixth-grade students with a center at 10 minutes and less variability.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

• Yes

• No

How many possible solutions make both inequalities true? If possible, describe or list the solutions.

• 6 solutions: 4, 5, 6, 7, 8, 9

• 5 solutions: 5, 6, 7, 8, 9

• 3 solutions: 7, 8, 9

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B