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.
The 2005 law does contain an exception: You can still sue a gun manufacturer or gun seller if they âknowingly violated a state or federal statute applicable to the sale or marketingâ of firearms, and if that violation of the law resulted in an injury.It was a small exception, but it was about to get even smaller.he 2005 law does contain an exception: You can still sue a gun manufacturer or gun seller if they âknowingly violated a state or federal statute applicable to the sale or marketingâ of firearms, and if that violation of the law resulted in an injury. It was a small exception, but it was about to get even smaller.