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5 February, 17:58

20, 16, 18, 14, 9, 20, 16

a. mean = 16;

standard deviation = 3.6

c. mean = 16;

standard deviation = 12.7

b. mean = 16.1;

standard deviation = 3.6

d. mean = 16.1;

standard deviation = 12.7

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Answers (2)
  1. 5 February, 19:41
    0
    Mean=16.1 and standard deviation is 3.6.
  2. 5 February, 20:07
    0
    I believe the answer would be c
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