Listed below are head injury measurements from small cars that were tested in cr

Question

Listed below are head injury measurements from small cars that were tested in crashes. The measurements are in "hic", which is a measurement of a standard "head injury criterion," (lower hic values correspond to safer cars). The listed values correspond to cars A,B.C,D,E,F,and G, respectively. Find the a. mean,B median, c. midrange and d. mode for the data.also complete

e,and f.

509 425 323 373 504 547 352

e. which car appears to be the safest?

f. based on these limited results, do small cars appear to have about the same risk of head injury in a crash?

Explanation / Answer

a) Mean = 3033/7 = 433.2857

Median

Ascending order 323, 352,373,425, 504, 509, 547

Median is 425

Mid range: (323+547)/2 = 435

d) Mode = not applicable for this data

e) Car C appears to be safest car

f) The cars appear to be different since the low is 323 and the high is 547 so the safety is different in small cars

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