4. A study of the ability of individuals to walk in a straight line (“Can We Really Walk Straight?”, Amer. J. of Physical Anthro., 1992:19-27) reported the accompanying data on cadence (strides per second) for a sample of 20 randomly selected individuals.
0.95 0.82 0.92 0.95 0.93 0.86 1.00 0.92 0.85 0.81 0.78 0.93 1.05 0.93 1.06 0.96 0.81 0.96 0.92 0.93
Construct a 95% confidence interval for the true mean cadence.
4 answers