Imagine we are comparing the difference in tips 2 bartenders make at two separate restaurants
.Give a 99.5% confidence interval, for ₁-₁₂ given the following information.
Summary of Bartender 1 Tips:
n₁=55,x‾₁=$2.41,s₁=$0.59
Summary of Bartender 2 Tips:
n₂=25,x‾₂=$1.96,s₂=$0.69
Directions: Use Technology. Rounded to 2 decimal places.
The point estimate of our interval estimate the difference of means (₁-₁₂) to be _______