Darnell buys homes and flips them by completing renovations to turn a profit on his investment. He is currently working on a hou
se with three bedrooms that need new hardwood floors. He is estimating the total cost to purchase hardwood flooring for the bedrooms with the following dimensions. Bedroom 1: 22 feet by 15 feet
Bedroom 2: 15 feet by 12 feet
Bedroom 3: 13 feet by 12 feet
A big home improvement store advertises the price of two types of flooring, shown below.
$7.25 per square foot
$6.75 per square foot plus a $100 fixed installation fee
Which of these two prices would be best for Darnell to estimate the total cost of new hardwood flooring in the three bedrooms?
The pooled variance method is used to estimate the variance of several different population with different means, but are assume to have the same variance.
