Merkitään siis odotusarvoa m:llä. Standardoidaan, jolloin vastaava Z-luku on (X-m)/6. Pitää löytää ison Fiin arvo, jolla saadaan kymppi (se mitä vasemmalle jää). Tämä on (katso se taulukosta, mutta koska tässä ei nyt ole taulukkoa lähettyvillä lasketaan ratkaisemalla integraaliyhtälö numeerisesti Desmoksella)
5
Regression Parameters
Statistics
Residuals
6
Päädytään siis yhtälöön
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equals
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Haluttiin, että x0 on 20,8, joten m on
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equals
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