When Estimating the Population's Variance from the Scores in a Sample

question 45

Multiple Choice

When estimating the population's variance from the scores in a sample, you should:

• A)look on a special table to find the estimated variance
• B)proceed normally, but interpret the results with caution
• C)divide the sum of squared deviations by N-1 instead of N
• D)multiply the sample's variance by the degrees of freedom