Ch 4 Test Review Honors Experimental Sampling

A restaurant wants to know if their customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert. Identify the population:

• All customers

• 8 customers

• 20 customers

• dessert

A restaurant wants to know if their customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert. Identify the sample:

• 20 customers

• All customers

• 8 customers

• dessert

When one examines the entire population instead of a subgroup of the population, this is called a ___________.

• Sampling

• Census

• Bias

In order to use samples to estimate something from the population, the sample should be __________ the population.

• exactly the same as

• nothing like

• representative of

• larger than

The design of a study shows ________ if it is very likely to underestimate or overestimate the value you want to know.

• convenience

• bias

• chance

• correctness

Which of the following samples are NOT random?

• Systematic

• Stratified

• Cluster

• Voluntary Response

You wish to survey people who have brought in their cars for service during the past month. You decide to pick a random sample of gas stations in the city and then survey all the customers from those who had work done during the past month. This is an example of

• Cluster Sampling

• Convenience Sampling

• Simple Random Sampling

• Stratified Random Sampling

A bank wishes to survey its customers. The decision is made to randomly pick ten customers who just have banking accounts, ten who just have savings accounts, and ten who have both. This is an example of

• Cluster Sampling

• Systematic Sampling

• Stratified Sampling

• Simple Random Sampling

You wish to know what percent of Osceola students have at least 1 tattoo. You decide to ask the first 100 kids to show up to school. What type of sample is this?

• Voluntary

• Cluster

• Convenience

• Stratified

A sales representative wishes to survey her client base of 47 companies. She has 47 business cards,all identical size, from her contacts in the companies, and decides to drop them all in a small box, shake them up, and reach in to pick 5 cards for her sample. This is an example of

• Cluster Sampling

• Convenience Sampling

• Simple Random Sampling

• Stratified Random Sampling