In order to estimate the average time spent on the computer terminals per student at a local university, data were collected from a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.2 hours. If the sample mean is 9 hours, then the 95% confidence interval is approximately _____
a. 7.04 to 110.96 hours
b. 7.36 to 10.64 hours
c. 7.80 to 10.20 hours
d. 8.74 to 9.26 hours
d
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In the selection stage of an interview, your best approach is to
A) stick to brief yes and no answers to the interview questions. B) relate your training and experience to the organization's needs. C) inquire about salary and benefits. D) press for an immediate decision on whether or not to hire you. E) call the employer to explain what the organization does and how you can help support those goals.
In what way(s) do benefits differ from compensation?
a. The employee usually pays all or part of the cost of most benefits. b. Government regulations make benefit offerings very rigid, leaving organizations with little flexibility. c. Benefits are relatively easy to administer. d. Legal requirements for benefits programs are relatively relaxed.
Budgeting decisions involve a tradeoff between spending today and allocating funds for the future
Indicate whether the statement is true or false.
What is a given normal distribution is symmetric around?
a. the standard deviation b. the mean c. one d. zero