Review Data Collection and Statistical Inference

How many siblings do you have?

• Statistical

• Non-statistical

How long did it take for each person to get to to school?

• Statistical

• Non-statistical

Choose the statistical question:

• What time did you wake up this morning?

• What time do sixth graders wake up each morning during the school week?

Statistical questions should ALWAYS...

• provide helpful information for someone (be relevant)

• be meant for kids to answer

• be asked of adults, not kids

• have one right answer

A ___ is a small portion of the population used to gather data from.

• Sample

• Bias

• Population

• Systematic Sampling Method

Identify the sampling method: The high school principal randomly selects 2 students from each grade to serve on a student advisory board.

• Systematic

• Simple Random

• Convenience

• Stratified

In a completely randomized experimental design...

• A control group must be used as a baseline for comparing the effects of the other treatments.

• All experimental units are immediately randomly assigned to treatment groups.

• A placebo treatment is always used.

• All experimental units are immediately randomly assigned to treatment groups.

A researcher is interested in learning how people use the neighborhood park. The researcher goes to the park daily for a month and records how many people are on the playground, how many are on the basketball court, how many are at the picnic tables, and how many are at the skate park. What type of study is this?

• Survey

• Experiments

• Observational

An artifact, document, diary, manuscript, or other source of information created at the time of study is a .... 

• Primary Source
• Secondary Source  

Tags

CCSS.RL.7.9

CCSS.RL.8.9

A marriage record is a...

• Primary Source
• Secondary Source