Justin Timberlake Activity, part 1

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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.

Average enjoyment for the sample: ?

Method #2: Stratify by Row

Randomly select two fans from each row.

Average enjoyment for the sample: ?

Method #3: Stratify by Column

Randomly select one fan from each column.

Average enjoyment for the sample: ?

If we did a census...

Average enjoyment for the population: ?

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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:
Delete observation:
(Mouse over data to see exact values.)

Quick Add To the plot, quickly add samples (max 2000).

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