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In an experiment, 10 trials were done to determine the range of a projectile. The measurements for the range of the projectile in meters are as follows: 134.8, 133.9, 135.1, 134.7, 135.3, 134.9, 135.2, 134.8, 135.5, and 135.4.

Find the following: A. Mean B. Variance C. Standard deviation D. Measuring range of the projectile​