Gathering & Analyzing Data

A(n) _________________ is a list of questions used to collect information.

• Sample
• Survey
• Scatter Plot
• Observational Study

What shows how much sample responses differ from the population?

• Mean
• Median
• Leading Coefficient
• Margin of Error

A survey that is truly random is ____________.

• Biased
• Unbiased

Every student in a 4th period band class is asked if they prefer instrumental or vocal performances. Is the survey biased?

• Yes
• No

Every fifth adult walking out of a movie theater is asked to rate their overall experience. Is the survey biased?

• Yes
• No

Every member of the 2017 senior class is asked to submit ideas for a school-wide field trip. Is the survey biased?

• Yes
• No

Eighteen life-long smokers are asked to run on a treadmill for fifteen minutes, then their heartrate and lung function are recorded.

• This is an experiment.
• This is an observational study.

For two months, three watermelon plants are given regular tap water, and three are given distilled water. Their growth rates and overall sizes are recorded weekly.

• This is an experiment.
• This is an observational study.

Tags

CCSS.HSS.IC.B.3

You want to find out student opinions on the location for the prom. What should you use?

• A survey.
• An observational study.
• An experiment.

You are trying to determine if pregnancy affects sleep levels. What is the best method?

• A survey
• An observational study.
• An experiment.