Inferences Extra Credit

Which club has the smaller spread?

• Cruisers
• Car Hops

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

Biased or Random?

John wants to find out what the favorite soda flavor is at Menifee County. He decides to ask all the students in Mr. Goldsmith's class as a sample group.

• Biased

• Random

The probability of a video game being defective is 1 out of 20. About how many video games would be defective in a shipment of 490 video games? (Round your answer to the nearest whole number.)

• 490

• 25

• 98

• 100

• 50

Students were asked to vote for gift cards to their favorite fast-food restaurants to be given to students at the end of the year. In a classroom of 30 students, 9 selected McDonalds, 14 selected Taco Bell, and 7 selected Kentucky Fried Chicken. Based off of this survey, how many Taco Bell gift cards should be bought for the school if it has 450 students.

• 210

• 135

• 105

• 225

• 300

Tags

CCSS.6.RP.A.3B

Valid or invalid?: Mr. Bowker wants to know how many students like sports so he randomly surveys 20 football players and 10 volleyball players. Of the 30 students surveyed, 100% like sports. 

• Valid
• Invalid

Aaron took a multiple choice test.  There were 25 questions, of which he answered 4 incorrectly.  At this rate, how many questions should Aaron expect to answer incorrectly if he takes a test with a total of 150 questions?

• 123
• 24
• 373
• 47

What is the difference between the medians for the two data sets? 

• 0 tickets
• 2 tickets
• 4 tickets
• 6 tickets

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

A school principal wants to see which subject the 695 students in his school liked best. Which choice represents the BEST sample?

• All the girls in the school.

• All the students in the school.

• 100 students who made a "B" in math

• One classroom from each grade level.

A sample created by picking every 10th person.

• Simple Random Sample

• Systematic Random Sample

• Voluntary Sample

• Convenience Sample