16. Acme Tennis Ball Co tests' its tennis balls by dropping them from a xed height onto a concrete surface and seeing how high they bounce. Here are the results from a recent test: height (cm): 23 21 25 14 20 22 22 23 26 25 24 19 _ a. Find the mean, the median and mode for this distribution by hand calculation showmg all your work.. b. Give the 5-number summary. 0. given that the standard deviation for this distribution is 3.28: What proportion (%) of the data is within one standard deviation of the mean? t 17. For the normal distribution with mean 70 and standard deviation 5, what percent of all observations will fall between 65 and 70'? Draw a Bell-curve and illustrate your answer and give the percentage