Sampling Quiz

To get valid results, a sample must be...

• biased

• unbiased

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

A sample should be

• representative of  only middle school students only
• a very large group
• representative of the population
• representative of people who volunteer

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

What is a population?

• A tool used to collect statistical data

• Statistics collected from an entire population

• All the people or objects on which data is collected

• A group chosen from a population

What is a survey?

• A tool used to collect statistical data
• Statistics collected from an entire population
• An element or feature that can vary
• A group chosen from a population

Tags

CCSS.HSS.IC.B.3

What is a sample?

• A tool used to collect statistical data

• Statistics collected from an entire population

• The factual information collected from a survey or other source

• A subgroup chosen from a population

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Identify the Population:
Wicomico County Public Schools randomly selected 230 teachers to find out which technology resource it's teachers feel is the most effective.

• 230 Teachers
• All Wicomico County Teachers
• Students
• Wicomico County Public Schools

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Identify the Sample:
A restaurant wants to know if their customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

• 20 customers
• All customers
• 8 customers
• Dessert

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

CCSS.HSS.ID.B.5

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy
• thirty students who are rarely tardy
• thirty of her friends
• thirty randomly selected students from her school

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

True or False: all samples lead to a good prediction about an entire population.

• True
• False

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

At a middle school, the 7th graders will conduct a survey to decide where they want 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