Question: I need help with the interquartile range, variance and standard deviation, please. The following 7 questions/computations ((13 to (19) are based on a sample summarized

I need help with the interquartile range, variance and standard deviation, please.

The following 7 questions/computations ((13 to (19) are based on a sample summarized in the stemplot below: Stem | Leaf 369 W N 022288 0 Compute: Q13: mean Q14: median Q15: mode Q16: range Q17: interquartile range Q18: variance Q19: standard deviation

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