If your referring to the Economic Factors, then it all about the same as quadratic. Once you have stat plot on and can see your data on the graph, then you hit stat, scroll right once to calc, and select QuartReg, opposed to QuadReg and this will spit out the number you need, you just plug them into the form of a quartic equation. ax^4+bx^3+cx^2+dx+e. Good luck. You caould call me to if i was to confusing.
If your referring to the Economic Factors, then it all about the same as quadratic. Once you have stat plot on and can see your data on the graph, then you hit stat, scroll right once to calc, and select QuartReg, opposed to QuadReg and this will spit out the number you need, you just plug them into the form of a quartic equation. ax^4+bx^3+cx^2+dx+e. Good luck. You caould call me to if i was to confusing.
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