7th Grade Statistics

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

A new cable TV station wants to study the viewing habits of households.  The station surveys every household that purchased a new TV within the last 2 years in New York.  Is this random sampling?

• Yes
• No

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

A poll is taken from 100 seniors in a high school where the senior class has 575 students.

• Sample
• Population

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.1

If a cat eats 4 pounds of food in 5 days, how, how many pounds will it eat in 60 days?

• 50
• 48
• 12
• 72

Tags

CCSS.6.RP.A.3B

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

• to randomly ask 8th grade students who went on a field trip last year
• to randomly choose some 7th grade students to select a location
• to ask all 7th grade teachers and administrators for a location
• to ask the student council to choose a location

Tags

CCSS.6.SP.A.1

Which scenario would produce the least biased results?

• asking athletes at a gym what their favorite television show is
• asking shoppers at a store where their favorite place to shop is
• asking fans at a baseball game who their favorite baseball team is
• asking students in a college library what their favorite college sports team is

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

While working at the pizza place, Dakeus ask every customer if they are satisfied with the service. Is this a biased sample?

• No
• Yes

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

Josh surveyed every 5th person who walked into the cafeteria. Is this a systematic random sample

• No
• Yes

Tags

CCSS.HSS.IC.B.3

The graph makes it seem like Cy Young had 3 times as many wins as Jim Galvin. Is this a valid conclusion?

• Yes, because Young only had about 150 more wins
• No, Young did have 3 times as many wins

Tags

CCSS.7.RP.A.2

The graph shows the results of a survey to determine student's favorite pets. Why is this graph misleading?

• The slices are the wrong color
• The slices are not the correct size
• The percents do not add up to 100
• Not misleading

Tags

CCSS.6.SP.B.5

CCSS.6.SP.B.4