Answer "true" if the statement is always true. if the statement is not always true, replace the words in bold with the words that make the statement always true a) the mean of a sample always divides the data into two halves (half larger and half smaller in value than itself) b) a measure of central tendency is a quantitative value that describes how widely the data are dispersed about a central value c) the standard deviation for the set of values 2, 2, 2, 2, and 2 is 2 d) on a test, john scored at the 50th percentile and jorge scored at the 25th percentile; therefore, john's test score was twice jorge's test score e) for a bell-shaped distribution, the range wil be approximately equal to six standard deviations