1. The Excel file Weather.xls contains mean temperatures for January and July and average annual precipitation for selected cities across the United States. Construct 90% confidence intervals for the mean temperature and precipitation.
See the attach Excel file.© BrainMass Inc. brainmass.com June 3, 2020, 9:08 pm ad1c9bdddf
The mean temperatures for January and July are determined in the United States with 90% confidence intervals.