Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Quantitative data refers to numerical information that can be measured and analyzed using mathematical methods. It involves collecting data through structured surveys, experiments, or observations.
Qualitative data is non-numerical information that focuses on qualities, characteristics, and descriptions. It involves collecting data through interviews, observations, or open-ended survey questions.
Sample Size: Sample size refers to the number of individuals or units included in a study or survey. A larger sample size generally leads to more accurate and reliable results.
Statistical Analysis: Statistical analysis involves using mathematical techniques to analyze and interpret quantitative data. It helps identify patterns, relationships, and trends within the data.