Find mean-standard deviation and standard error on mean
You make five measurements of a particular wavelength, and you find you have some random noise. Your measurements are {12,9,13,12,14} all in mm. Find the mean, standard deviation, and standard error on the mean. Include units.
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Roger Industries is considering two capital investment proposals. Estimates regarding each project are provided below: Project XR8 Project AAA Initial investment $800,000.
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How large a sample should be so that we can assert with 95% confidence that the margin of error of the estimation is less than 3%?
Lee purchased a stock one year ago for $28. The stock is now worth $33, and the total return to Lee for owning the stock was 0.35.
Your measurements are {12,9,13,12,14} all in mm. Find the mean, standard deviation, and standard error on the mean. Include units.
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The number of students visiting their professor during office hours each day has a Poisson distribution with average of 5 students every two days. For a given day, find the probability that at least 2 students see the professor.
Consider the following time series data.Week 1 2 3 4 5 6Value 18 13 16 11 17 14 Using the naive method (most recent value) as the forecast for the next week, compute the following measures of forecast accuracy.
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