1. A study of the ability of individuals to walk in a straight line reported the accompanying data on cadence (strides per second) for a sample of n = 20 randomly selected healthy men.

.95 .85 .92 .95 .93 .86 1.00 .92 .85 .81 .78 .93 .93 1.05 .93 1.06 1.06 .96 .81 .96

State random variable.

Check Assumptions.

Find sample statistic and confidence interval for 95% confidence.

Sketch and label distribution.

Statistical Interpretation.

Real world interpretation.