Quiz about Data Collection and Experimental Design

Question 1

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

Accepted Answer

Systematic

Answer

Simple

Answer

Stratified

Answer

Cluster

Question 2

Mrs. Trahan samples her class by selecting all students sitting at group 1 and group 5 in her classroom.  This sampling technique is called?

Accepted Answer

Cluster

Answer

Simple

Answer

Stratified

Answer

Systematic

Question 3

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

Accepted Answer

Simple

Answer

Systematic

Answer

Stratified

Answer

Cluster

Question 4

Farmer Joe separates his apple tree farm into 10 regions.  He counts the number of apples produced in just one of the regions and uses that estimate to predict the number of apples produced on the whole farm.  This is _______ sampling.

Accepted Answer

Cluster

Answer

Simple

Answer

Stratified

Answer

Systematic

Question 5

Farmer Joe's apple tree farm is set up in 100 rows.  He counts the number of apples produced on every 10th row to estimate the number apples produced on the whole farm.  This is _____________ sampling.

Accepted Answer

Systematic

Answer

Simple

Answer

Stratified

Answer

Cluster

Question 6

Farmer Joe randomly picks 100 trees using a random number generator to estimate the number of apples produced by his apple trees.  This is ______________ sampling.

Accepted Answer

Simple

Answer

Stratified

Answer

Cluster

Answer

Systematic

Question 7

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.

Accepted Answer

Stratified

Answer

Cluster

Answer

Systematic

Answer

Simple

Question 8

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

Accepted Answer

Stratified

Answer

Systematic

Answer

Simple

Answer

Cluster

Question 9

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

Accepted Answer

Census

Answer

Sampling

Answer

Bias

Question 10

Select three students from a class to receive ice cream by putting all the students' names in a hat and picking out three names randomly.

Accepted Answer

simple random sampling

Answer

stratified random sampling

Answer

cluster sampling

Answer

systematic sampling

Question 11

Divide the class into four groups (freshman, sophomore, junior and senior) and take a random sample of two students from each group

Accepted Answer

stratified random sampling

Answer

simple random sampling

Answer

cluster sampling

Answer

systematic sampling

Question 12

What sampling technique is used in this study.

Every 3rd person walking by is asked their opinion on a certain topic.

Accepted Answer

Systematic

Answer

Convenience

Answer

Cluster

Answer

Random

Question 13

A researcher for an airline interviews all of the passengers on a flight he happens to be taking home from a recent trip.

Accepted Answer

Census

Answer

Random

Answer

Systematic

Answer

Cluster

Question 14

A community college student interviews everyone in his biology class to determine the percent of students that own car.

Accepted Answer

Convenience

Answer

Systematic

Answer

Random

Answer

Stratified

Question 15

Classify what type of study does each represent:

a. A study of Florida college professors' opinions on teaching classes online.

b. A study on the effect of low dietary intake of vitamin C and iron on lead levels in adults.

c. A study of how many students show up early to class on Monday.

Accepted Answer

Survey; Experiment; Observational

Answer

Survey; Experiment; Survey

Answer

Survey; Observational; Experiment

Answer

Observational; Experiment; Survey

Question 16

A researcher wants to know the average amount of bamboo consumed by the new pandas at the Atlanta zoo. She records the amount of bamboo consumed every for 3 months. Is this an example of an experimental study or observational study.

Accepted Answer

observational study

Answer

experimental study

Question 17

A placebo is...

Accepted Answer

an inactive "look-alike" meant to seem real

Answer

a rare type of African bird indigenous to the foothills of Morocco

Answer

Something used to hunt with

Answer

the change in symptoms as a result of an inactive "look-alike"

Question 18

What is the placebo effect?

Accepted Answer

When someone believes a medication works but the medication was not medicated.

Answer

Something that affects the neurological pathways causing people to do nonsensical things.

Answer

A dangerous experiment that can harm the person that is experimented.

Answer

A disease that effects the brain, worse than meningitis

Question 19

An experiment in which neither the subjects nor the people who work with them know which treatment each subject is receiving is called

Accepted Answer

double blind

Answer

single blind

Answer

controlled

Answer

replicated

Question 20

For which case below would a simulation be most appropriate?

Accepted Answer

Both the example with the rockets and texting while driving would require a simulation

Answer

trying to determine whether texting while driving causes crashes

Answer

trying to see is more sleep leads to more energy

Answer

trying to determine if a rocket will launch

Answer

trying to determine whether or not weather has an effect on mood

Question 21

Marianne wanted to know students' opinion on the new schedule at school. She places students' names in a container and randomly picks out 20 names.

Accepted Answer

Simple Random Sampling

Answer

Convenience Sampling

Answer

Systematic Random Sampling

Answer

Volunteer response

Question 22

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.

This is a form of:

Accepted Answer

Systematic Sampling

Answer

Simple Random Sample

Answer

Voluntary Response

Answer

Stratified Sampling

Question 23

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

Accepted Answer

Census

Answer

Sampling

Answer

Bias

Question 24

When you make a prediction based upon your observations, it is called a/an _____________.

Accepted Answer

Inference

Answer

Observation

Answer

Control group

Answer

Guess

Question 25

Surveys can generate

Accepted Answer

All of the above

Answer

Qualitative data

Answer

Quantitative data

Answer

Objective data

Data Collection and Experimental Design

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