This is a preview. Log in through your library . Abstract Several simple estimates of the mean and standard deviation of a normal population are discussed. The efficiencies of these estimates are ...

Amid universally dire estimates of the toll the coronavirus pandemic is taking, economists and legislators agreed Tuesday that the state's financial prognosis is still largely unknowable at this point ...

Even in good financial times, development aid budgets are hardly overflowing. Government leaders and donors must make hard decisions about where to focus their limited resources. How do you decide ...