The speeds (in mph) of 9 randomly selected cars passing a ce…
The speeds (in mph) of 9 randomly selected cars passing a certain checkpoint are measured by radar. The results are shown below. Answer the following questions based on this sample data set. 40 45 45 45 48 52 52 61 63 a) Find the mean. [mean] b) Find the median. [median] c) Find the range. [range] d) Find the standard deviation. [SD] e) Determine the IQR (interquartile range). [IRQ] f) Find the upper and lower fences. lower fence = [lower] upper fence = [upper] g) Determine if there are any outliers in the data set. (List any outliers). [outlier]
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