ii. Consider the following data from 11 truck speed data climbing a hilly road. Compute 5 (FIVE) basic statistics of the sample speed as following: Sample mean Median а. b. с. Variance d. Range Standard error of the mean е. Truck Speed (km/h) 1 25 2 35 55 4 15 40 25 55 8. 35 9 45 10 11 20 (11 marks)

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