In order to estimate the mean earnings forecast for a large company,an investor looked up earnings forecasts from six financial analysts.The six forecasts he found were 200,220,300,185,210,and 210 (in millions).Suppose the investor knows the population standard deviation is 25 million.Calculate a 95% confidence interval of the population mean earnings forecast.

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The Answer of In order to estimate the mean earnings forecast for a large company,an investor looked up earnings forecasts from six financial analysts.The six forecasts he found were 200,220,300,185,210,and 210 (in millions).Suppose the investor knows the population standard deviation is 25 million.Calculate a 95% confidence interval of the population mean earnings forecast.

In Order to Estimate the Mean Earnings Forecast for a Large