Given the histogram on the motor fuel octane ratings of several brands of gasoline. Choose the statement that best describes the octane data. 30 10 83.0 85.5 88.0 90.5 93.0 95.5 98.0 100.5 octane data a. Octane rating has a mean of about 90.5 and that the histogram appears symmetric O b. The histogram appears symmetric and thus the design of the diagram is appropriate 20 Kɔuənbə

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