sampling

Mrs. Trahan samples her class by selecting every third person on her class list.  Which type of sampling method is this?

• Simple
• Systematic
• Stratified
• Cluster

Mrs. Trahan samples her class by selecting 5 girls and 7 boys.  This type of sampling is called?

• Stratified
• Systematic
• Simple
• Cluster

This sample consists of the entire population

• convenience
• census
• cluster
• simple

This sample is selected by dividing the population into subgroups and then taking a fixed number of units from each group using the simple random sample.

• stratified
• cluster
• judgment
• experimental

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 sample size?

• 48
• 100
• 70
• CTMS students

According to a random telephone survey of 200 adults, 75% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey?

• 200 adults
• adults in the U.S.
• 75% of adults

A recent survey of 800 seventh graders from across the state shows 4 out of 10 like to play paper football. How many students said they like to play paper football?

• 40 students
• 200 students 
• 320 students
• 8,000 students

Tags

CCSS.6.RP.A.3B

A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is not a good sample in this case?

• The sample didn't include students.
• The sample is too small.
• The sample can only be accurate if each teacher is included in the sample

The part of the population being studied is called the

• population
• sample
• random

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

• systematic

• simple random sample

• convenience

• Self - selected (volunteer)