drop down 1 options: most common, minimum, average, middle, maximum

drop down 2 options: 7.7%, 8.0%, 7.6%, 7.9%, 7.8%, 7.2%, 7.4%, 7.3%, 7.1%, 7.0%, 7.5%

drop down 3 options: population, sample

drop down 4 options: population, sample

An investor is considering a stock with the following returns over the past 12 years: Year Annual Return 1 8% 2 12 3 14 8 5 7 8 9 10 11 12 7 Mean The mean, also known as the arithmetic mean, tells the value a variable is expected to take. The mean adds up all the observations and divides by the number of observations, as shown in the following formula: x or x = The mean (or average) return for this stock over the past 12 years is For notational purposes, represents a mean, while u represents a mean. However, they are calculated the same way. 699 5 546N