Random Sampling

A sportswriter wants to know how strongly Toledo residents support the Toledo MudHens baseball team. She stands outside the stadium one summer day to interview the first 20 people that enter the stadium. The population for this survey is...

• all people at the game
• all MudHens fans
• all Toledo residents
• everyone in the world

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

• Sample

• Population

• Random Sample

• Quartile

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

_______ is the entire group of objects or individuals considered for a survey.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A student surveys mathematics teachers to get their opinion on teaching.  What is the sample?

• All teachers in the world.
• All teachers within the school.
• All mathematics  teachers in the school.
• All teachers except mathematics teachers.

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

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.HSS.IC.A.1

CCSS.HSS.IC.B.3

Manny wants to know how many students at CTMS enjoy solving math problems. What is the best sampling method?

• ask for 20 volunteers to discuss whether they enjoy solving math problems
• ask the last 20 people to arrive at CTMS 
• Randomly ask 2 students in the hallway
• Ask every 20th student that walks into school

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is not a good sample in this case?

• The sample didn't include students.
• The sample is too small.
• The sample can only be accurate if each teacher is included in the sample

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Graham wants to find out the most popular football team at a game between the home team and the visiting team.  Which of the following methods will give him the most accurate results?

• a.  Surveying the cheerleaders for the home team
• a.  Surveying people wearing hats for the visiting team
• a.  Surveying a group of people standing in line for tickets
• a.  Surveying people who do not live in the home team’s city

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Juan asked 10 of his friends what they thought about a new video game. Is this sample of the students in the school biased?

• True

• False

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Which survey question is most likely to result in an unbiased sample?

• Which do you prefer, apples or oranges?

• Don't you prefer apples to oranges?

• Do you prefer apples, like I do, or oranges?

• Which do you like better, delicious apples or boring oranges?

Tags

CCSS.7.SP.A.1