SeoulTae5291 SeoulTae5291
  • 10-12-2022
  • Mathematics
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The following is the frequency distribution for the speeds of a sample of automobiles traveling on an interstate highway.
Speed
Miles per Hour
Frequency
50 - 54 2
55 - 59 4
60 - 64 5
65 - 69 10
70 - 74 9
75 - 79 5
35
Refer to Exhibit 3-4. The standard deviation is

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