Question

The volumes (in ounces) of juice in eight randomly selected juice bottles are as follows:

               15.0       15.9       15.8       15.0

               15.7       15.4       15.9       15.4

               Find a 99% confidence interval for the standard deviation, σ, of the volumes of juice in all such bottles. Round to the nearest hundredth when necessary.

1. (0.22, 0.85)
2. (0.22, 0.99)
3. (0.21, 0.85)
4. (0.22, 1.00)

Answer 1