Mathematics, 14.08.2020 19:01 lahebra
The following is the frequency distribution for the speeds of a sample of automobiles traveling on an interstate highway. Speed (MPH) FrequencyÂ
50 − 54 2Â
55 − 59 4Â
60 − 64 5Â
65 − 69 10Â
70 − 74 9Â
75 − 79 5Â
Find mode
Median
The class mark of the first class
the 5th decile class
The range
The upper class boundery of the 3rd class
The 50th percentilee
Answers: 3
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