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.
Projected sales based on square footage ranges from $75 to $200. We used the more conservative rate of $75. The store is 2,500 square feet, multiplied by $75 to give us a Gross Sales of $187,500 the first year and maintaining that average through the second year.rojected sales based on square footage ranges from $75 to $200. We used the more conservative rate of $75. The store is 2,500 square feet, multiplied by $75 to give us a Gross Sales of $187,500 the first year and maintaining that average through the second year.