Brand X Altimeter error before adjustment-calibration 14 8 33 33 26 32 19 7 29 31 20
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Question:
Brand X Altimeter error before adjustment-calibration 14 8 33 33 26 32 19 7 29 31 20 31 2 11 11 29 32 19 26 | Brand X Altimeter error after adjustment-calibration 0 5 4 9 6 9 9 4 2 6 6 3 6 5 7 5 3 2 6 |
D = 1 - 2 : Mean of the difference between Brand X Altimeter error before adjustment-calibration and Brand X Altimeter error after adjustment-calibration H0 : D = 0 HA : D > 0
Difference | Mean | Std. Err. | DF | T-Stat | P-value |
---|---|---|---|---|---|
Brand X Altimeter error before adjustment-calibration - Brand X Altimeter error after adjustment-calibration | 17.15 | 2.3024872 | 19 | 7.448467 | <0.0001 |
My question: are hypothesises correct?
H0 : D = 0there is no difference before and after adjustment-calibration HA : D > 0 there are less Altimeter error after adjustment
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