F distribution on the 41C
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12-26-2015, 04:56 PM
(This post was last modified: 12-26-2015 04:57 PM by Dieter.)
Post: #42
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RE: F distribution on the 41C
(12-26-2015 03:38 PM)Gene Wrote: Gene: Hey Angel. The XMSTAT module contains the LR and LRY functions (thank you very much), but how about an LRX function? That would use the LR relationship to compute X given Y (the reverse of LRY). I'm not aware of this function existing anywhere else, and it is often useful in statistical environments. "In what month will sales equal $Y?" Hmm... I wonder why you're not aware of such a function on other calculators: Both the 35s and the 34s feature this function (y-hat as well as x-hat). So does the 30b (Pred X and Pred Y). Even TI did it in the Seventies on the 58/59 (OP 14 and OP 15). And I assume these are not the only calculators that do it both ways. Dieter |
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