Topics › Statistics › Sampling Methods — SRS, Stratified, Cluster, Systematic
Statistics · COL

Sampling Methods — SRS, Stratified, Cluster, Systematic

Simple Random Sample — every individual equally likely. Stratified — divide into strata, SRS within each. Cluster — randomly select whole groups. Systematic — every kth member.

StatisticsCommon Core UNC-2.ACOLVerified correct ✓

Worked examples

A school district wants to survey students about homework load. Describe how you would use a stratified random sample to select participants. What strata would you use, and why is this better than a simple convenience sample?
Answer:
A school district wants to survey students about homework load. Describe how you would use a stratified random sample to select participants. What strata would you use, and why is this better than a simple convenience sample?
Answer:

Every problem on Pounce is generated and checked by code — never a wrong answer key.

Master Sampling Methods — SRS, Stratified, Cluster, Systematic

Code-verified problems at exactly the right level, explained the way your kid learns.

Start your free trial 🐾

Build up to this

Frequency Tables — Relative Frequency and Marginal Distributions

More Statistics topics

Frequency Tables — Relative Frequency and Marginal DistributionsCompare Distributions — Shape, Center, Spread, and Outliers (SOCS)Dot Plots and Histograms — Construct and InterpretBoxplots and the Five-Number SummaryMean and Standard Deviation — Compute and InterpretStandardized Scores (z-scores) — Position Within a DistributionNormal Distribution — The 68-95-99.7 Empirical RuleNormal Probability Calculations Using z-tables