Controls

Sample size

Choose how many students are in each random sample.

Generates ten independent random samples at the chosen size.
Sample size set to n = 5

Summary

There are no samples to summarize.
Legend: Purple solid = Normal curve (μ=24, σ=6), Red dashed = Population mean (μ=24), Green solid = Sample mean (x̄).

Population (M = 24, SD = 6)

The SWLS is a measure of college students’ overall satisfaction in life. The SWLS scores are bounded at 5 and 35. The population (M = 24.0, SD = 6.0) is approximately bell-shaped with a slight negative skew (Mdn = 24.0; IQR = 8.0; skewness = −0.32).

Toggle the blue theoretical normal curve overlay on all charts.

Samples (10, All generated at once)

Each sample will display a histogram on the same axes as the population. Below each chart a text summary will report min, max, and mean.