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2017 time mean: 7.400 Median:7.500 std. Deviation:1.1738 2018 time Mean:7.400 Median:6.500 Std. Deviation: 4.1952 Is there a performance variation by the standard deviation? is it

2017 time

mean: 7.400

Median:7.500

std. Deviation:1.1738

2018 time

Mean:7.400

Median:6.500

Std. Deviation: 4.1952

Is there a performance variation by the standard deviation? is it a performance improvement or a performance deterioration from the last year?

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