In developing a confidence interval estimate for the population mean, which of the following is true?
A) The larger the sample standard deviation, the wider will be the interval estimate, all other things being equal.
B) If the population standard deviation is unknown, the appropriate critical value should be obtained from the t-distribution.
C) The confidence interval developed from a smaller sample size will have a larger margin of error than one obtained using a larger sample size, all other things being equal.
D) All of the above are true.
D
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Regarding an IC's structure,
A. strategy follows structure, but the reverse is not true. B. structure is usually an integral part of strategic planning. C. if a firm's strategy changes, then its structure must change. D. structure follows strategy, but the reverse is not true. E. if a firm's structure changes, then its strategy must change.
Which of these is the best recommendation for business communicators using e-mail?
A) Consider using e-mail to deliver bad news or to resolve arguments so that you can avoid a face-to-face conversation. B) Add humor or tongue-in-cheek comments to lighten the tone of serious e-mail topics. C) Type your message in all capital letters to increase your speed and efficiency. D) Edit your text for readability and proofread for typos or unwanted auto-corrections.
An example of an unconscious bias is that managers
A. take less credit than they deserve. B. think they are immune to conflicts of interest. C. act only in an ethical manner. D. hire people who are unlike them, since opposites attract. E. take blame themselves instead of blaming others.
Magnetic _________ is a secondary storage medium that uses magnetic techniques to store and retrieve data on disks or tapes coated with magnetically sensitive materials.
Fill in the blank(s) with the appropriate word(s).