Question: Physical Sciences The well depth in certain locations is important for agriculture and for the development and maintenance of residential and commercial areas. A random sample of the depth to water (in centimeters) at the Upper Gordon Gulch Ground Water Well from 2011 to 2013 is given in the following table.
a. Find a 98% confidence interval for the population variance in depth to water at this site.
b. Find a 98% confidence interval for the population standard deviation in depth to water at this site.