27.5, 27, 26, 26, 25, 25, 25, 24.5, 24, 23, 22, 21, 19.5, Summary Statistics (Descriptive Statistics) and Histogram A. How many observations are in your data? B. (Measures of central tendency) Find the mean, median of midterm scores C. (Measures of variability) Find standard deviation, variance, minimum, maximum, interquartile range of midterm scores D. Draw histograms for midterm scores.

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