Statistics Vocabulary Chapter 1

What is this an example of?: The seniors at AHS have an average ACT score of 20.8.

• Statistic

• Parameter

• Qualitative Data

A researcher observes and measures characteristics of interest of part of a population but does not influence the responses.

• Experiment

• Blinding

• Observational Study

What is this an example of?: In 2019, 31% of registered voters identified as Democrats.

• Descriptive Statistics

• Quantitative Data

• Inferential Statistics

A researcher deliberately applies a treatment before observing the responses.

• Experiment

• Placebo Effect

• Survey

The use of mathematical or physical model to reproduce the conditions of a situation or process.

• Double-Blind Experiment

• Simulation

• Sample Size

An investigation of one or more characteristics of a population.

• Survey

• Census

• Replication

What is this an example of?: A survey of several hundred high school students in the United States found that during the school year, the average time spent on social media is 30 hours per week.

• Parameter

• Statistic

• Biased Sample

A technique where the subjects do not know whether they are receiving a treatment or a placebo.

• Experiment

• Validity

• Blinding

A count or measure of an entire population

• Census

• Replication

• Randomization

What is this an example of?: In a 2nd grade classroom, there are 13 girls and 8 boys.

• Quantitative Data

• Qualitative Data

• Cluster Sample