probability is about .95 that the 95% confidence interval will include the true population parameter. On the other hand, 2.5% of the time the highest value in the confidence interval will be smaller than the true value, while 2.5% of the time the smallest value in the confidence interval will be greater than the true value.
Set prices with room to move. Most people expect prices at garage sales to be just the starting price and are about 25% to 50% above the seller's (ie your) bottom-line price to allow for negotiating. The amount depends on the condition of the item and how much you are prepared to haggle.
In order to sell a car, a dealership has to advertise that car. No way around it. And with car dealers across the country spending over $7.2 billion dollars a year to market their inventory, itâs easy for marketing costs to get out of hand. In fact, in 2012 it cost dealers an average of $621 in marketing costs to sell one car! However, weâve been able to help bring that number all the way down to less than $12 per vehicle sold. Sounds crazy, but itâs true! Welcome to the industryâs first cost per acquisition: Digital AMMP.