A manager who is conducting a time study now needs an accuracy of ±0.1 minutes, rather than ±0.2 minutes as in the past. Because of this change in accuracy, the new required sample size becomes:
A) one-fourth as large.
B) one-half as large.
C) twice as large.
D) four times as large.
E) one-tenth larger.
D
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Identify the correct statement about shareholder influence
A. Shareholders often exercise their voting power to replace management. B. In corporate elections, stockholders cannot vote for another candidate. C. If stockholders submit nominees to board nominating committees, the directors have to accept them. D. Most shareholders do not follow management's voting recommendations.
Two brothers own a hair salon. One believes they could have more business if they mailed out $5-off coupons to people living within a five-mile radius of the shop
The other brother wants to run an ad in the local shopping newspaper with a coupon for a free hot oil treatment. (The newspaper goes to everyone in the area.) What type of market research can they use to determine whose idea would be more profitable? Explain your answer.