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.
Just remember, low prices sell more quickly. When in doubt, go back to Step 1 and remind yourself WHY you are having a garage sale. Then, proceed with your pricing.Items sold for $1 sell much faster than those sold for $5 or more. For the best results, keep your prices in the $1 to $2 range.
Find out what you should aim to pay with used car prices based on real cars for sale. If you are wondering what's my car really worth, use our car price guide for a free online car value and guide to book price.1  About us.2  Terms of use. 3  Contact us.f you are wondering what's my car really worth, use our car price guide for a free online car value and guide to book price. 1  About us. 2  Terms of use. 3  Contact us.