Sampling from Old Faithful
The scatterplot below displays data for all 263 eruptions of Old Faithful in one month. The population regression line,
Predicted wait time
= 33.3 + 13.3
, is shown as a solid line. To investigate the sampling distribution of the sample slope, the applet will select a random sample of
eruptions, display the sample regression line as a dashed line, and record the value of the sample slope.
Select one random sample of size
and compute the sample slope.
Show corresponding normal curve
Adjust color, rounding, and percent/proportion preferences
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