The management of a department store is interested in estimating the difference in the amount of money spent by female and male shoppers. You are given the following information.
Female Shoppers - Male Shoppers
Sample Size : 64 - 49
Sample Mean : $140 - $125
Population Standard Deviation : $10 - $8
A 95 percent confidence interval estimate for the difference between the average purchases of the customers using the two different credit cards is:
A. 49 to 64
B. 11.68 to 18.32
C. 125 to 140
D. 8 to 10

Amarket that consists of all possible consumers regardless of their specific needs or wants is a

Location test: question 1 of 54)water is a solvent because itoa. is made of moleculesob. dissolves many substancesc. is a saltd. has a large buffering capacity

While cell phones with holographic keyboards are currently in the introduction stage of the industry life cycle, tablet computers are in the growth stage. in the context of this scenario, which of the following statements is true? a. the industry for cell phones with holographic keyboards will face greater competition than the tablet industry. b. while the industry for cell phones with holographic keyboards will focus more on product innovation, the tablet industry will focus more on process innovation. c. while the industry for cell phones with holographic keyboards can reap the benefits of economies of scale, the tablet industry will experience no such benefits. d. the industry for cell phones with holographic keyboards will face price competition, whereas, in the tablet industry, the mode of competition will be non-price.