During the course of a motor test, the motor rpm

During the course of a motor test, the motor rpm is measured and recorded at regular intervals as:

990, 1030, 950, 1050, 1000, 980.

calculate the mean value, standard deviation and best estimate of the true value for this data set. over what interval would 50% of the entire population of motor speed values fall? test the data set for potential outliers.


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