Suppose we have independent observations X1 and X2 from a distribution with mean and standard deviation . What is the variance of the mean of the two values: X1 + X2
Do they want the equation?

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose