A sample of the paramedical fees charged by clinics revealed these amounts: $55, $49, $50, $45, $52 and $55.What is the median charge?
Answer(s): B
Order them: 45,49,50,52,55,55. The median is therefore (50 + 52)/2 = 51
A sample of 10 observations is drawn from a population with mean 17. The mean of the observations equals 14.3 and the sample standard deviation equals 4.8. The sampling error in mean equals ________.
"Sampling error" refers to the difference between a sample statistic and the corresponding population parameter. In this case, the sampling error equals 14.3 - 17 = -2.7.
What is the present value today of these annual cash flows: $3,000, $2,000, $1,000? Assume the first cash flow occurs 1 year from today and an interest rate of 10% per year, compounded annually.
You could solve this question using 3 different compound interest problems, but it is easier to solve them using the calculator's cash flow functions. On the BAII Plus, press CF 2nd CLRWork 0 ENTER DownArrow 3000 ENTER DownArrow DownArrow 2000 ENTER DownArrow DownArrow 1000 ENTER DownArrow DownArrow 2nd Quit. Then press NPV 10 ENTER DownArrow CPT. On the HP12C, press these keys: 0 BlueShift CFo 3000 BlueShift CFj 2000 BlueShift CFj 1000 BlueShift CFj. Then press 10 i, YellowShift NPV. The "DownArrow" represents the downward-pointing arrow on the top row of the BAII Plus keyboard. Make sure that the BAII Plus has the P/Y value set to 1.
A stock has the following returns over 3 years: -10%, +15%, +25%. The annual geometric rate of return over the 3 years is ________.
Answer(s): H
The annual geometric rate of return equals [(1-10%)(1+15%)(1+25%)]^(1/3) - 1 = (0.9 * 1.15 * 1.25)^0.33 - 1 = 0.0896 = 8.96%
Monthly commissions of first-year insurance brokers are $1,270, $1,310, $1,680, $1,380, $1,410, $1,570, $1,180 and $1,420. These figures are referred to as:
Data or observations that have not been organized in any form are called raw data.
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in question 22, shouldnt be in the data (option a) layer?
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q15. answer is b. simple
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q252: dns poisoning is the correct answer, not locator redirection. beaconing is detected from a host. this indicates that the system has been infected with malware, which could be the source of local dns poisoning. location redirection works by either embedding the redirection in the original websites code or having a user click on a url that has an embedded redirect. since users at a different office are not getting redirected, it isnt an embedded redirection on the original website and since the user is manually typing in the url and not clicking a link, it isnt a modified link.
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question 423 eigrp uses metric
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for this question - "which three type of basic patient or member information is displayed on the patient info component? (choose three.)", list of conditions is not displayed (it is displayed in patient card, not patient info). so should be thumbnail of chatter photo
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question # 208: failure logs is not an example of operational metadata.
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