The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3.0 minutes. It is known that the standard deviation of the population of checkout times is one minute. The standard error of the mean equals
a. 0.001
b. 0.010
c. 0.100
d. 1.000
C
You might also like to view...
Alternative dispute resolution can provide the parties with a degree of privacy not available once a lawsuit if filed
a. True b. False
A firm's total equity is $10 million and total liabilities is $5 million. During the year, its sales equaled to $75 million. Based on the given information, the total assets turnover ratio of the firm is:
A. 10.5 times. B. 13 times. C. 15 times. D. 7.5 times. E. 5 times.
When proofreading, which of the following questions should you ask to locate errors in the organization of a document?
A. Is the information in the document complete? B. Does the document pass the "skim test"? C. Have words been omitted in the document? D. Does the message treat the receiver honestly and ethically?
In countries with a high power distance, _____.
A. formality is the rule B. titles are not used C. people trust one another D. employees judge each other on a basis of equality