Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 11th, 2015

1st  score 2nd score   d
440 470 -30
560 600 -40
500 520 -20
520 600 -80
370 400 -30
540 590 -50
560 590 -30
mean -40
stdev 20
excel results above

Apr 11th, 2015

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Apr 11th, 2015
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Apr 11th, 2015
Feb 19th, 2017
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