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...Day objectives understand basic descriptive statistics frequencies frequency distributions how to construct a distribution table proportions rates central tendency mean median mode variability range standard deviation variance are methods of organizing summarizing and presenting data in convenient informative way these include numerical techniques graphical the actual method used depends on what information we would like extract helps answer questions produce numbers that describe set common types stats forms simply tallying counting amount times an event occurs can be ungrouped or grouped many scores observations items people fall within interval e g children each age group school years original form which they collected called raw need organized such is easily comprehensible good organize them by constructing following examples will illustrate you...