Prob/Stats Ch. 1 Terms

Level of Measurement: The test scores of 5 students from a Statistics class: 69, 77, 90,84, and 34.

• Nominal
• Ordinal
• Interval
• Ratio

Population or Sample: A survey completed by all the teaching staff of Louisa County

• Population
• Sample

Data Collection: The study of economic status of a variety of counties in the state of Virginia.

• Observational
• Experiment
• Simulation
• Survey

Sampling Technique: A toy manufacturer selects every 4^th toy to inspect on a production line to test for defects.

• Stratified
• Cluster
• Systematic
• Convenience

Parameter or Statistic: It was found that out of all the students in the freshman class, 45% struggle with time management.

• Parameter
• Statistic

Qualitative or Quantitative: A list of Social Security Numbers

• Qualitative
• Quantitative

Level of Measurement: A local new station tracks the temperatures for a week in VA: 63, 78, 66, 80, and 68.

• Nominal
• Ordinal
• Interval
• Ratio

Parameter or Statistic: 100 students surveyed out of the entire junior class found that 67% are undecided about their future plans.

• Parameter
• Statistic

Qualitative or Quantitative: A roster of all team members jersey numbers.

• Qualitative
• Quantitative

Data Collection: The study of public reaction to a homeless person on a street corner begging for money.

• Observational
• Experiment
• Simulation
• Survey