TEKS.MATH.7.6F

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

Tags

TEKS.MATH.7.6F

The TV station wants to get the opinion of viewers on the look of a new game-show set.  The station's staff calls random people in the phone book.  Is this biased or unbiased?

• Biased
• Unbiased

Tags

TEKS.MATH.7.6F

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

• True
• False

Tags

TEKS.MATH.7.6F

Identify the sampling.
One hundred shoppers are chosen by chance from four randomly chosen computer stores.

• random sampling
• systematic sampling
• stratified sampling

Tags

TEKS.MATH.7.6F

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.
She picks the student in every 5th seat.

• Simple Random
• Systematic Random
• voluntary response
• convenience

Tags

TEKS.MATH.7.6F

Leslie wants to find out what show students watch the most.  She surveyed the 9 youngest students in the elementary school.  Is this sample of the students in the school likely to be representative?

• yes
• no
• Mr. Shinn, I have no idea!

Tags

TEKS.MATH.7.6F

A mayor wanted to see if the people in his town thought he was doing a good job. Which choice best represents a sample?

• 1,000 unemployed voters.

• The mayor's family.

• The residents of the town.

• 242 voters.

Tags

TEKS.MATH.7.6F

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

TEKS.MATH.7.6F

Zoie completes a report by asking 70 students across campus. She found that 48% of CTMS students do not wash their hands after using the bathroom. What is the population of her survey?

• the bathroom
• CTMS students
• 48% of students 

Tags

TEKS.MATH.7.6F

To determine how often people eat out, every tenth person entering a fast food restaurant is surveyed.

• Biased Sample

• Unbiased Sample

Tags

TEKS.MATH.7.6F