The interquartile range is calculated by subtracting the first quartile from the highest value.
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Q16: using the following frequency distribution:
NUMBER
Q17: For all normal curves, one standard deviation
Q18: For all normal curves, two standard deviations
Q19: For all normal curves, one standard deviation
Q20: For all normal curves, two standard deviations
Q22: Variance is calculated by averaging the deviations
Q23: Normal curves exist only in theory, not
Q24: It is impossible to have two distributions
Q25: For all normal curves, one standard deviation
Q26: What do measures of dispersion tell us?
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