Explain what is meant when it is said that "data vary". how does the variability affect the results of statistical analysis?

Consumers who participate in the sharing economy seem willing to interact with total strangers. despite safety and privacy concerns, what do you think is the long-term outlook for this change in the way we think about interacting with people whom we don't know? how can businesses to diminish worries some people may have about these practices?

Adrawback of short-term contracting as an alternative to making a component in-house is thata. it is the most-integrated alternative to performing an activity so the principal company has no control over the agent. b. the supplying firm has no incentive to make any transaction-specific investments to increase performance or quality. c. it fails to allow a long planning period that individual market transactions provide. d. the buying firm cannot demand lower prices due to the lack of a competitive bidding process.

Consider the following two projects. both have costs of $5,000 in year 1. project 1 provides benefits of $2,000 in each of the first four years only. the second provides benefits of $2,000 for each of years 6 to 10 only. compute the net benefits using a discount rate of 6 percent. repeat using a discount rate of 12 percent. what can you conclude from this exercise?