On the basis of a random sample of 100 men from a particular province in USA, a 95% confidence interval of the mean height of men in the province is found to [ XXXXXXXXXX]. What is the value of the...

On the basis of a random sample of 100 men from a particular province in USA, a 95% confidence interval of the mean height of men in the province is found to [176.50-178.26]. What is the value of the standard deviation of the population from which this sample was drawn?