CCSS.Math.Content.HSS.IC.A.1

Identify the Population:
Members of the Drama Club plan to sell popcorn as a fundraiser for their Shakespeare production. They survey 75 students at random about their favorite flavors of popcorn. 33 students like butter, 15 like cheese, and 27 like caramel.

• 33 Students
• 75 Students
• All Students
• 27 Students

Tags

CCSS.Math.Content.HSS.IC.A.1

How many total people were surveyed about what ice cream flavor they would pick?

• 107
• 92
• 70
• 269

Tags

CCSS.Math.Content.HSS.IC.A.1

A beverage company wanted to see if people in the United States liked their new logo.
Which choice best represents a population?

• A selection of logo artists.
• Every person in the United States.
• A selection of shoppers from different shoppers from different states.
• 3,800 children age 5-15

Tags

CCSS.Math.Content.HSS.IC.A.1

A poll is taken from 100 seniors in a high school where the senior class has 575 students. This is an example of a  ______________.

• Sample
• Population

Tags

CCSS.Math.Content.HSS.IC.A.1

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.Math.Content.HSS.IC.A.1

Why do we randomize in an experiment or a survey?

• Because we have to
• It helps reduce the effects of confounding variables
• It eliminates all possible confounding variables
• It makes sampling easier

Tags

CCSS.Math.Content.HSS.IC.A.1

Question2

• a
• b
• c
• d

Tags

CCSS.Math.Content.HSS.IC.A.1

Determine the type of sampling used in the following scenario: Ms. Dubovik samples her class by selecting all students sitting at group 1 and group 5 in her classroom.  This sampling technique is called?

• Simple
• Stratified
• Systematic
• Cluster

Tags

CCSS.Math.Content.HSS.IC.A.1

Increasing the sample size __________ the confidence interval. 

• increases
• decreases
• does not affect
• there is not enough evidence to determine the answer

Tags

CCSS.Math.Content.HSS.IC.A.1

Researches found that boys playing high school football absorb an average of 355 hits to the head with a standard deviation of 80 hits during a season.  What is the probability on a randomly selected team of 48 players that the average number of head hits per player is between 340 and 360?

• .236
• .429
• .571
• .614

Tags

CCSS.Math.Content.HSS.IC.A.1