Paper aircraft flight distances analysis
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Monday 8:00Monday 9:00Null hypothesisH₀: µ-difference = 0
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30-100Alternate hypothesisH₁: µ-difference ≠ 0
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6580Monday 8:00Monday 9:00
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90123sample size n1n1924
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320200sample mean x̅2442467
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115200sx3sx454432
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200200difference in the means4diff25
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320257is the difference zero?5no, not zero
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320284
What risk of a type I error α are we willing to accept?
6α 0.05
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30301
Given that α, should we be surprised? p-value:
7p0.8556709761
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-20321Surprised? 8
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-20323
Can we reject the null hypothesis of no difference?
9
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747185
Do the sections have different avg flight distances?
10
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810360pooled standard deviation sp11sp442
=sqrt(((F4-1)*F6^2+(G4-1)*G6^2)/(F4+G4-2))
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820360effect size12efsz0.0566=(1.5092-1.4547)/0.0823
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1000430small, medium, or large?13
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1080440
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1163430Monday 8:00Monday 9:00
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1280330223284
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40590442467
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656442467
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1170
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