Means and SDs. For each part, compare distributions (1) and (2) based on their mean and standard deviations. You do not need to calculate these statistics: simply state how the means and the standard deviations compare. Make sure to explain your reasoning.

(a)(1) 3, 5, 5, 5, 8, 11, 11, 11, 13

(2) 3, 5, 5, 5, 8, 11, 11, 11, 20

(b)(1) -20, 0, 0,0,15, 25, 30, 30

(2) -40, 0,0, 0,15, 25, 30,30

(c)(1) 0, 2, 4, 6,8, 10

(2) 20, 22, 24, 26, 28, 30

(d)(1) 100, 200, 300, 400, 500

(2) 0, 50, 300, 550, 600

Which of the following is a competitive benefit experienced by the first mover firm in an industry? a. the first mover will be able to achieve a less steep learning curve. b. the first mover will be able to reduce the switching costs. c. the first mover will not have to patent its products or technology. d. the first mover will be able to reduce costs through economies of scale.

Atennis club charges a monthly membership fee of $150 and charges it members $10 per hour to use a court. there's also $500 fee to become a member. stella joined the tennis club last spring, and she has been a member for 5 months. she has been playing 10 hours of tennis each month. stella values an hour of her time at $20. during a boring afternoon meeting, stella thinks about reserving a court to work on her serve for an hour tonight. what's stella's opportunity cost of working on her serve for an hour?

When gathering information about certain occupations, be sure to understand how you are paid. what is the difference between a salary and an hourly wage?