Suppose a chain restaurant has run a major advertising campaign in the hopes of increasing monthly sales. to investigate the effectiveness of this campaign, the restaraunt randomly selected six different locations and recorded the monthly sales before and after the advertising. the following data represents these sales figures in thousands of dollars. assume population 1 is defined as sales after the advertising campaign and population 2 is defined as sales before the advertising campaign. a. what is the mean of the matched-pair differences? b. what is the standard deviation of the matched-pair differences? c. what are the degrees of freedom for this hypothesis test? restaurant 1-after $123, before $107 2-after $122, before $110 3-after $145, before $143 4-after $156, before $168 5-after $160, before $145 6-after $134, before $125

Which of the following results from outsourcing jobs from the united states to other countries? a. increasing exports out the united states. b. lower wages for u.s. workers. c. reduced immigration to the united states. d. subsidies for goods made in the united states. 2b2t

Diamond motor car company produces some of the most luxurious and expensive cars in the world. typically, only a single dealership is authorized to sell its cars in certain major cities. in less populous areas, diamond authorizes a single dealer for an entire state or region. the manufacturer of diamond automobiles is using a(n) distribution strategy for its product.

When paul o’neill joined alcoa as ceo, he set a , that there would be zero workplace accidents. a lot of people in the organization thought this was impossible given how dangerous some aluminum-manufacturing jobs are, but alcoa’s safety record improved tremendously. as the board of governors of the american red cross considers planning, one option is to make strategic plans and then direct managers to align tactical and operational plans accordingly. another option is to have planning specialists managers across the organization make their own plans. why might this organization’s executives opt for the latter approach? check all that apply. (a) the environment is a dynamic one, and department and frontline managers can come up with more responsive plans than can central leadership. (b)resources will be better coordinated across the organization in support of the overall strategy.(c) senior leadership will have more control over the organization’s direction. (d)when managers come up with their own plans, they are likely to be more committed to following through on them.