TEKS.MATH.7.12B

Patrick polled the first 27 people to attend the WMS band concert.  Is this sample of the concert attendees likely to be representative?

• yes
• no

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B

_________ 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

TEKS.MATH.7.6F

TEKS.MATH.7.12B

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

• True
• False

Tags

TEKS.MATH.6.13B

TEKS.MATH.7.6F

TEKS.MATH.7.12B

A sample that is by chance.

• random sample
• stratified sample
• systematic sample

Tags

TEKS.MATH.8.11C

TEKS.MATH.7.6F

TEKS.MATH.7.12B

What would be the population in this example?
Surveyors in a mall choose shoppers to ask about products they prefer.

• the surveyors
• all shoppers in the mall
• the shoppers who were asked their preferences

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.
She selects the five closest to her desk.

• simple random
• Voluntary Response
• Convenience
• Systematic Random

Tags

TEKS.MATH.9-12.IV.D.1

TEKS.MATH.9-12.VI.A

TEKS.MATH.7.6F

TEKS.MATH.7.12B

What is the sample and population?
Number of McDonald's in a 25 miles² area of Maui...

• Population:  Number of McDonald's
  Sample:  25 miles² of Maui
• Population: 25 miles² of Maui
  Sample:  Number of McDonald's
• Population:  25 miles²
  Sample:  Maui
• Population:  Maui
  Sample:  Number of McDonald's

Tags

TEKS.MATH.7.12B

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected. 

• systematic
• random sample
• convenience
• volunteer response

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B

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

TEKS.MATH.7.6F

TEKS.MATH.7.12B

4. A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

• Biased
• Unbiased

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B