Measures of Central Tendency

What sampling method are you using if you survey every 5th person who enters the room.

• Stratified

• Systematic

• Simple Random

What sampling method are you using if you survey the students in the school whose names are picked out of a hat?

• Stratified

• Systematic

• Simple Random

What sampling method are you using if you survey every 10th person who enters the cafeteria?

• Stratified

• Systematic

• Simple Random

You assign the students in your class a number and choose 6 numbers from a basket. What sampling method are you using?

• Stratified

• Systematic

• Simple Random

What sampling method are you using if you survey every 12th customer that enters the amusement park.

• Stratified

• Systematic

• Simple Random

Karla is doing a study to see what the town thinks of the new grocery store. She chooses a convenience sample. She

asks 13 people from the town who go to the new grocery store. Is there bias in her sample?

• Yes

• No

Tags

CCSS.7.SP.A.1

You are investigating the number of dogs in each household in a town. Which of the following descriptions describes a sample. Select all that apply.

• the number of dogs in every other household on a street in the town

• the number of dogs in one household in the town

• the number of dogs in every household in town

• the number of dogs in every household in a neighborhood in the town

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

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

• Stratified
• Systematic
• Simple
• Cluster

Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is assigned to a student. This is ______________ random sampling.

• Systematic
• Simple
• Stratified

Farmer Joe separates his farm into 10 regions.  He then randomly selected 5 trees from each region to estimate the number of apples produced on his apple tree farm.  This is _____________ sampling.  

• Systematic
• Stratified
• Simple