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How do you find confidence interval and the t* in Margin of Error
e.g
A survey of 25 randomly selected customers found the ages shown? (in years). The mean is 32.00 years and the standard deviation is 9.44years.
?a) Construct a 90?% confidence interval for the mean age of all? customers, assuming that the assumptions and conditions for the confidence interval have been met.
?b) How large is the margin of? error?
?c) How would the confidence interval change if you had assumed that the standard deviation was known to be 10.0 years?
Assume that the hamburger costs $1.00 a pound. Illustrate what is the inventory turnover for the hamburger patties? On average, explain how many days are on hand.
Suppose that consumer confidence unexpectedly rises six months before the central bank detects the change or its magnitude. What happens to inflation and output in that six-month interval? How does monetary policy return the economy to long-run eq..
Continuing with the assumptions from the previous discussion, as the human resources training professional, you have trained hiring managers about the importance of some employment laws. After your training, you have asked managers to provide feed..
B6111.31-What are the costs of this massive expansion of information available to managers and other business users? Does more data always mean better decisions in the corporation?
Suppose you are a human services employer at a shelter for houseless women and their children. The targets of the shelter are to give food and shelter on a temporary basis to women & their children,
Discuss the actions the organization's leadership could take to prevent, reduce or productively address adverse employee responses to change.
managing strategicallystrategic managers must be certain that all the problems identified are eventually addressed.
Choose two advertising campaigns that have recently been conducted in your area and compare their effectiveness.
Goodwill Industries has been controversial at times with complaints of over compensation of executives to "slave like working conditions". Research this organization. What are their business strategies? Do they live up to their mission and value ..
Discuss one (1) project where you used a problem-solving approach to address what turned out to be common-cause variation, or where you used a process improvement approach to deal with a special cause.
illustrate what are the most difficult aspects of simultaneously balancing the four perspectives in the balanced scorecard? Be specific and give examples from your case analyses and/or SLP.
To start off the class, we will discuss the evolution of the Human Resource Department from the Personnel Department of the 1950s
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