Step #1:Compute the___________________or average for the population being measures by taking the ______________________of the data values, represented byx, and divide that amount by the population size,N.This average is denoted by the Greek letter,.

Step#2:Constructa three column table,labeling the left-most column as"data,x", the middle column as"deviations about the mean," and the right-hand column as"squared deviations."In the left-handcolumn, list all the data in the population.In the middle column, subtract the ______________ or average () from each data value.In symbolic form:.Data values above the mean will yield a ______________answer after the subtraction whereas data values below the mean will yield a_________________answer after the subtraction.Becauseof the mixed sign, the column will add to ______________.

Steps#4:Inorder to eliminate the negative signs,let's ________________the values from the middle column,in other words raising those numbers to the second power.Then,________________the numbers in the third column.This resultis known as thesum of the squared deviations.

Step #6:Recall that the population size is symbolized by the capital letter,______________.In order to compute the population variance for this data collection,______________________thesum of the squared deviationsby thepopulation size.Population varianceis symbolized by the Greek letter,(o2).

Step #7:In order to compute thepopulation standard deviation (o),square rootthepopulationvariance (o2).

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