sampling

What do we call the non-probability sampling that involves the sample being drawn from that part of the population that is close at hand?

• Convenience Sampling

• Simple Random Sampling

• Systematic Sampling

• Cluster Sampling

A ______ is the entire set of objects from which data might be collected

• sample

• population

• sample statistic

• population characteristic

A student wants to know which type of of pizza middle school students prefer. Which of the following options is a good, representative sample of the population?

• Asking all of the 5th graders

• Asking 20 students from each grade level in the middle school

• Asking all of the teachers

• Asking the students who walk to school each day

A beverage company wants to see if people in the United States like their new logo. Which of the following represents the population?

• 2,000 middle school students

• A selection of logo designers

• A selection of shoppers from different states

• All of the people in the United States

Which of the following is NOT a reason why random samples are preferred over surveying the entire population.

• A random sample allows you to survey whoever you are friends with

• Surveying the entire country may cost too much money

• Surveying the entire population may take too much time

• Surveying the entire country may be difficult if everyone does not respond

For which of the following situations would you want to collect a sample rather than surveying the entire population?

• The typical number of home runs for a player on the local baseball team

• How many students in our class like mushrooms on pizza

• How many students in our class have more than one pet

• The median price of homes in Ohio

A toy store owner wants to know how much kids spend each month on toys. Which choice is the best representation of the population?

• 220 wealthy kids

• All kids who buy toys

• 100 boys between ages 8 to 12

• 125 girls between ages 4 to 10

Interview every 10th student who enters the school in the morning.

• simple random

• voluntary response

• systematic

• convenience

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)

Marianne wanted to know students' opinion on the new schedule at school. She survey's the first 30 students who come into her class.

• Convenience Sampling

• Systematic Random Sampling

• Simple Random Sampling

• Volunteer response