To calculate a CI for the difference between two population means with known standard deviations, do the following: 1  Determine the confidence level and find the appropriate z*-value. Refer to the above table. 2  Identify. 3  Find the difference, between the sample means. 4  Square. and divide it by n1; square. and divide it by n2.
Investigators are checking this phone line throughout the weekend.â. Violations of the price-gouging law are punishable by civil penalties of up to $10,000 for the first offense and $20,000 for the second and subsequent offenses. Each individual sale of merchandise is considered a separate and distinct event.
Price fixing and bid rigging occur when competitors agree to set prices for goods or services. An effective agreement among sellers results in prices that are artificially high.Artificially high prices can damage government or business buyers.Buyers lose the ability to get the best price that results when there is competition among sellers. The District of Columbia has competition laws that, like federal laws, prohibit price fixing and bid rigging, along with other anticompetitive behavior.uyers lose the ability to get the best price that results when there is competition among sellers. The District of Columbia has competition laws that, like federal laws, prohibit price fixing and bid rigging, along with other anticompetitive behavior.