70

*For Exercises 1.93 and 1.94, see page xx; for Exercises 1.95 and 1.96, see page xx; for Exercises 1.97 and 1.98, see page xx; and for Exercises 1.99 and 1.100, see page xx.*

1.101 Means and medians.

Sketch a symmetric distribution that is not Normal. Mark the location of the mean and the median.

Sketch a distribution that is skewed to the left. Mark the location of the mean and the median.

1.102 The effect of changing the standard deviation.

Sketch a Normal curve that has mean 30 and standard deviation 8.

On the same x axis, sketch a Normal curve that has mean 30 and standard deviation 12.

How does the Normal curve change when the standard deviation is varied but the mean stays the same?