Statistical Studies and Sampling Methods

A researcher randomly assigned students to two groups. One group was assigned to watch a violent television program while the other group watched a nonviolent program. The student's behavior was then recorded for incidences of aggressive behavior. Which research method is most appropriate?

• experimental

• census

• sample survey

• observational study

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.5

Dr. Larson was interested in whether classical music helps students perform better on a test. Dr. Larson randomly assigned half of the study's participants to a group that listened to classical music while taking a test. The other half of the participants did not listen to music while taking a test. Which research method is most appropriate?

• sample survey

• experiment

• observational study

• census

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.5

Jane Goodall lived among wild chimpanzees intermittently for decades, studying their social and family systems while keeping her interaction with the chimpanzees to a minimum. Which research method is most appropriate?

• biased study

• census

• experiment

• observational study

Tags

CCSS.HSS.IC.B.3

Ghala wanted to know what the most popular book was in the whole school, so she asked everybody in 11th grade what their favorite book was. Which research method is most appropriate?

• Sample Survey

• Census

• Experiment

• Biased Sample

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

Example 2: A survey of a city's residents is conducted by asking 20 people at a grocery store whether the city should impose a beverage tax.

• Self-Selected

• Convenience

• Simple Random (SRS)

• Stratified Random

• Systematic

Example 6: Ms. George wants to know the percentage of juniors that will take two math classes their senior year. She asks Mrs. Kelly to print out a list of all the juniors and picks every 10th student on the list.

• Systematic

• Convenience

• Simple Random (SRS)

• Stratified Random

• Cluster Random

Tags

CCSS.HSS.IC.B.4

Determine the type of sampling used in the following scenario: Randomly generate 5 area codes from the state of New York and count the number of high school students for each high school in the area code region.

• Systematic
• Simple Random
• Cluster
• Stratafied

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Osman wanted to know what this weekends favorite movie was among RBHS students so he asked everyone at RBHS and counted the number of movie preferences.

Which research method is most appropriate?

• Census

• Sample Survey

• Experiment

• Biased Sample

Tags

CCSS.HSS.IC.B.3

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound

How long you sleep affects your test score. Identify the dependent variable.

• length of sleep

• test score