All employee salaries at a company is shown below. Use technology to calculate the following and round answers to the fourth decimal place Mean: SD: Use the value from your answer for the standard deviation to calculate the variance Variance:This data is from a sample. Calculate the mean, standard deviation, and variance. Suggestion: use technology. Round answers to two decimal places. Mean = Standard Deviation = Variance = Ooops - now you discover that the data was actually from a population! So now you must give the population standard deviation. Population Standard Deviation =.