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1. The current values of the stock portfolios for 80 clients of an investment counselor are as listed in data file XR02017. Use your computer statistical software to generate a frequency distribution and histogram describ- ing this information. Do any of the portfolio values seem to be especially large or small compared to the others?
2. One of the ways to evaluate the ease of navigating a corporate website is to measure how long it takes to reach the link where you can view or download the com- pany's most recent annual report. In randomly selecting and visiting 80 corporate websites, an investor needed an average of 39.9 seconds to reach the point where the company's annual report could be viewed or down- loaded. The 80 times are in data file XR02018. Generate a frequency distribution and histogram describing this information. Comment on whether any of the corporate sites seemed to require especially long or short times for the annual report to be found.
in a sample of 108 toddlers the average height was found to be 36.5 inches with a standard deviation of 1.1give a point
Finds that 3 contain errors. If the accountant's theory is correct, what is the probability that at least 3 invoices contain errors in a random sample of 10?
find the t-value with n 30 having area 0.05 to its
A sample of 3000 observations has a mean of 82 and a standard deviation of 16. Using the empirical rule, find what percentage of the observations fall in the intervals , and x+/- 1s, x+/- 2s x+/- 3s.
in the design of an electromechanical product 12 components are to be stacked into a cylindrical casing in a manner
Illustrate your answer with a histogram of the sample's scores and sketches of the population distribution and the distribution of means, showing the t score and cutoff points for significance.
The rate of return for one year (reported in percent) for a sample of 12 mutual funds 4.634 4.15 4.76 4.70 4.65 4.52 4.70 5.06 4.42 4.51 4.24 4.52. Using .05 significance level,
Suppose nothing in this environment changes. a) Compute the probability the mean number of attacks over the next 10 years is between 500 and 600.
The number of jobs brought to the center by the customers are independent random variables whose common generating function is g(u). Compute the generating function of the number of jobs brought to the computer center during the time interval (s, ..
How can the ethical issues raised, be addressed from a Christian worldview? In other words, what guidance, using principles from a Christian worldview perspective, could be applied to understand and address these ethical issues?
The Awake Coffee Company produces gourmet instant coffee. The company wants to be sure that the average fill of coffee containers is 12.0 ounces.
Wheel-Rite has agreed to ship the maximum number of wheel bearings that it produces each day to Itex when an order has been received.
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