Measure of Central Tendency Exercises

     1.       The week salaries of six employees at McDonalds are $140, $220, $90, $180, $140, $200. For these six salaries; find: (a) the mean (b) the median (c) the mode.

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    2.       Andy has grades of 84, 65 and 76 on three math test. What grade must be he obtain on the next test to have an average of exactly 80 for the four tests?

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