How much do fans love Justin Timberlake? (Part 2)
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Justin Timberlake’s concert promoter wants to find out how much fans in the V.I.P. section enjoy the concert. He will estimate the average enjoyment level (1 to 100) for all 50 fans by selecting a sample of 10 fans. Which sampling method will give him the best estimate?
Method #1: Simple Random Sample
Select a simple random sample of 10 fans.
Method #2: Cluster Sample
Each column is a cluster. Randomly select two columns.
Interview all fans in the selected clusters.
Method #3: Systematic Sample (every 8th)
Randomly choose a fan as a starting point.
Move down rows to interview every 8th fan.
After last row, wrap back around to the first row.
If we did a census...
True mean enjoyment:
Edit which plot:
Collect the selected sample type this many times silently (max 2000) and plot the results:
Add up to 2000 values separated by spaces or commas:
(Mouse over data to see exact values.)
plot, quickly add
samples (max 2000).
Adjust color, rounding, and percent/proportion preferences
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