Mathematics, 01.06.2020 13:57 hey840

The average mark of of candidates in an aptitude test was 128.5 with deviation of 8.2. Three scores are extracted from the test are; 148,102,152. What is the average of the extracted scores that are extreme values?

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The average mark of of candidates in an aptitude test was 128.5 with deviation of 8.2. Three scores...

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